How To Use Mammal In A Sentence
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The bolide probably prolonged and intensified the change, and may have weighed heavily in favor of mammals or birds and against non - avian dinosaurs.
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Among these are the best specimen of the dome-skulled chalicothere Tylocephalonyx skinneri, and type specimens of several other mammals, including rodents, oreodonts and carnivores.
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This species is also closely associated with colonies of various seabirds and marine mammals; it feeds among birds and seals and has been considered a commensal of those colonial animals.
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This bulky animal is one of the most dangerous mammals to be found anywhere.
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Six biogeographical zones, ranging from subtropical forest to highland scrub, host an impressive 151 species of bird, 34 species of mammal, 228 species of butterfly and countless plants.
Taiwan's Greatest Ascent
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The ‘hammer’ and ‘anvil’ bones of the mammalian ear are descendants of these nubbins.
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Experts agree that hippos belong to the mammalian order Artiodactyla, a group of even-toed, hoofed creatures whose extant representatives include camels, pigs and ruminants such as cows.
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This company's workhorse is lemna, also known as duckweed-a tiny, aquatic clonal plant that doubles its biomass every 36 hours-and is skilled at making proteins that mammalian cells struggle, and often fail, to produce.
News from The Scientist
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Chronically stressed mammals produce hormones called glucocorticoids, which can suppress certain immune-system and gonadal functions when the hormones remain elevated.
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Two toed sloths are perhaps more heterothermic than any other mammal.
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Their tympanum is not homologous with the tympanum of mammals and saurians (extant diapsids) because it developed independently in all three groups.
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A large brain relative to body size is an almost universal foetal characteristic of vertebrates, and certainly of mammals.
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* In primitive conditions, given the unsually demanding task (compared to other mammals) of raising human babies, paternal investment in offspring is required.
The Volokh Conspiracy » Interracial Marriage Rates Going Up
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Mammals such as weasels, foxes, stoats and especially roe deer can wander safely without the risk of being killed by traffic.
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Leopards are not the only mammals in which daughters live close to their mothers.
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However, for our purposes, we have used a working definition anchored on Haramiyavia, assuming that the unknown intersection between multituberculates and modern mammals is the appropriate break point.
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The fact that erythrocyte size correlates positively with genome size in mammals, even though their mature red blood cells are enucleated, strongly supports this hypothesis.
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The data set included sequences of genes from mammals, birds, amphibians, coelacanths, lungfishes, ray-finned fishes, and cartilaginous fishes.
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The greatest threats to marine mammals are being caught in fishing nets or being struck by shipping vessels, although for the Yangtze river dolphin, pollution is a major contributor.
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While hibernation during the winter is found in a few arctic mammals such as the Arctic ground squirrel (Spermophilus parryii), most homeothermic animals are active throughout the year.
General characteristics of arctic species and their adaptations in the context of changes in climate and ultraviolet-B radiation levels
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Saber-toothed cats, mastodons, giant sloths, woolly rhinos, and many other big, shaggy mammals are widely thought to have died out around the end of the last ice age, some 10,500 years ago.
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The latter instinct, I would speculate, is the ability of mammals to deny the self in favor of the herd.
Hide this from Robin Hanson, Arnold Kling | EconLog | Library of Economics and Liberty
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the hedgehog is a primitive and generalized mammal
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monotremes and marsupials are aplacental mammals
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On the mainland they fall prey to both mammalian and avian predators.
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I would like to digress at this point, to describe another use for allopruinol which materialized about 10 years later, because it typifies the kind of chemotherapeutic selectivity which can be achieved with purine analogs as the result of differences in the specificties of parasitic and mammalian enzymes.
Nobel Lecture The Purine Path To Chemotherapy
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Their decline accelerated during the Oligocene and coincided with the rise of another group of large herbivorous and cursorial mammals, the artiodactyls.
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Natural History From aardwolves and bandicoots to yapoks and zorillas, Ernest P. Walker's Mammals of the World is the most comprehensive - the pre-eminent - reference work on mammals.
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The more open grasslands and heathlands contain fewer mammal species, with the klipspringer (Oreotragus oreotragus), sable antelope (Papio cynocephalus), eland (Taurotragus oryx) and hyraxes (Procavia capensis) being the most conspicuous.
Eastern Zimbabwe montane forest-grassland mosaic
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The island hosts 23 recorded species of mammals, including small herds of bontebok, springbuck, steenbok, fallow deer and eland.
ANC Daily News Briefing
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Dolphins, for example, descend from a hoofed mammal that adapted to life in the ocean about 50 million years ago.
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In mammals, the lagena is coiled and is referred to as the cochlea.
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Whales are mammals - warm-blooded, air-breathing creatures - but they spend their entire life in the ocean.
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In mammals, neurons located in the nose detect scents using special odor receptors, and shuttle the information to the olfactory bulb, which is the integration center for smell.
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Dorst pursued a parallel career in mammalogy; he edited the quarterly journal Mammalia for 40 years, from 1960 to 2000.
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Infrared sensing pits enable them to hunt at night, when warm-blooded mammals are easier to find.
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Most placental mammals have teeth that are capped with enamel, but there are also lineages without teeth, such as anteaters, pangolins and baleen whales, or with enamelless teeth, such as armadillos, sloths, aardvarks and pygmy and sperm whales.
ScienceBlogs Channel : Life Science
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It is particularly common amongst arthropods and rotifers, and can also be found in some species of fish, amphibians, birds, and reptiles, but not in mammals.
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The platypus and the echidna - a nocturnal, burrowing mammal with a spiny coat, long claws, and no teeth - are the only known living members of a type of animal known as monotremes.
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In the absence of divine intervention, virgin birth for mammals is not an option.
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It was only after these fish vanished from the ecosystem that mammals and cartilaginous fish such as manta rays, basking sharks, whale sharks began to adapt to that ecological role.
PhysOrg.com - latest science and technology news stories
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The severity and unpredictably of higher latitude and alpine habitats present special challenges to birds and mammals who live out some or all of their lives there.
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The 500 resident mammals include rhinos, camels, buffalo, bison, wildebeest, lions, tigers, zebra, monkeys, deer, antelopes and wallabies.
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Mammals such as weasels, foxes, stoats and especially roe deer can wander safely without the risk of being killed by traffic.
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Small mammals, especially rodents such as voles, pocket gophers, and mice make up most of the Great Gray Owl's diet.
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Nassau Candy is recalling twenty-six peanut bulk products since they could be infested with salmonella, an mammal that can means critical as well as sometimes deadly infections, especially in immature children, a elderly as well as those with weakened defence systems.
Archive 2009-12-01
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We also went on two boat cruises, which put us ‘up close and personal’ with birds and mammals.
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Dimetrodon is neither a reptile nor a mammal, but a basal synapsid - that is, an early relative of the ancestors of mammals.
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By the way, nothing cladistically out-of-line with the term reptile, so long as we agree that Reptilia is a clade in which case it includes Aves and excludes Synapsida of which mammals are part.
Around the Web
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Whales, dolphins, porpoises, seals and sea lions receive protection in the U.S. under the Marine Mammal Protection Act of 1972.
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The large mammal snorted, as a voice spoke suddenly from atop the beast.
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Another characteristic of aquatic and semiaquatic mammals is that they are often well insulated; beavers accomplish insulation by a pelage that consists of long overfur (guard hairs) and dense underfur.
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The forests are home to 12 % of the world's mammal species and almost a fifth of bird species.
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Of the four bases that make up DNA - adenine, thymine, cytosine and guanine - only cytosine has the potential to be methylated in humans and most mammals.
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The order mammalia is the resultant of a primary sex-distinction developed by natural selection; but the gorgeous plumage of the peacock's tail is a secondary sex-distinction developed by sexual selection.
Women and Economics: A Study of the Economic Relation Between Men and Women as a Factor in Social Evolution
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By definition, foregut fermentors comprise animals with a pregastric fermentation chambers such as the rumen, reticulum, and omasum of ruminants and diverticula or fermentative sacs of other ruminant-like mammals.
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The kayakers were paddling in the bay, trying to spot whales when the mammal suddenly appeared within touching distance.
Times, Sunday Times
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The platypus is considered a primitive mammal, yet its bill appears to be highly advanced.
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In the rain forests of Southeast Asia live the most agile of all mammals: the slender, long-limbed gibbons.
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The giant ocean mammals are considered a delicacy in Japan.
The Sun
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Fossil seals from late Neogene deposits in South America: a new pinniped (Carnivora, Mammalia) assemblage from Chile.
Archive 2006-02-01
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The brain and nervous system display the same progressive ascent from the brainless acrania, up through the fishes, batrachia, reptiles, and birds to the top in mammals.
Time and Change
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There really is an endearing quality to this thousand-pound-plus hunk of marine mammal as I watch it grab floating heads of lettuce to nosh just below the surface.
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Like some other mammal taxa, but unlike rabbits and other lagomorphs, male rodents have a baculum (penis bone).
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It is also known that peroxisomal metabolism is lower in fish than in mammals.
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This should not surprise us - it is, in some degree, a characteristic of most social mammals.
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As indicators of insect and mammalian resistance we conducted bioassays to measure the performance of a geometrid moth, Epirrita autumnata, and counted the amount of resin droplets on the shoot of the saplings, respectively.
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The area was richly stocked with large mammals, and the human inhabitants knew this well.
BRITAIN BC: Life In Britain and Ireland before the Romans
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To conclude, obtaining more data for mammalian groups has given the major gain in understanding eutherian evolution.
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Attempts to resolve the relationships of Xenarthra and Pholidota to other eutherian mammals have not yet been exhausted.
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Bats are the only mammals to have wings and to achieve sustained flight.
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Humans experience a delayed maturity; we arrive at all stages of life later than other mammals.
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Many groups have the familiar XX female, XY male system encountered in most mammals, but others, such as birds and butterflies, have heterogametic ZW females and homogametic ZZ males.
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This trophic reorganization is hypothesized to be an important contributor to declines in populations of seabirds and marine mammals, because lipidpoor gadids and flatfishes generally replaced lipid-rich fish species in the Gulf of Alaska food web.
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Our analysis of 1170 mammalian karyotypes provides strong evidence that karyotypic evolution is driven by nonrandom segregation during female meiosis.
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The mammalian chorioallantoic placenta synthesizes, transports, and metabolizes a suite of steroid and peptide hormones
PLoS ONE Alerts: New Articles
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Remarkable similarities between certain placental and implacental mammals, between the bird's-head processes of
On the Genesis of Species
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Organic livestock producers must not feed mammalian or poultry slaughter byproducts to mammals or poultry.
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Mammals differ because they expect their teeth to do the work of a gizzard or large, muscular gut.
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Biodiversity FeaturesThere are no endemic mammalmammals in the ecoregion, but many species are known to use mangroves, including the tiger (Panthera tigris), tapir (Tapirus indicus), and siamang (Hylobates syndactylus).
Indochina mangroves
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Post-Jurassic mammal-like reptile from the Palaeocene.
Archive 2006-05-01
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Rodents and lagomorphs are prime examples of breeders among mammals and have enormous incisors for their body size.
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The island hosts 23 recorded species of mammals, including small herds of bontebok, springbuck, steenbok, fallow deer and eland.
ANC Daily News Briefing
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Commercial whaling has been banned since 1986 after overwhelming evidence that it was driving the world's largest mammals to extinction.
Times, Sunday Times
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Every now and then, an experience would serve as a reminder that intelligent marine mammals can be aggressive as well as friendly; that you must operate with respect in what is their patch.
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Loudest mammal - the Blue Whale. The second loudest is the Howler Monkey.
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It could also save the lives of laboratory mice because chicken eggs and embryos share many genes and biochemical pathways with mammals, so they can be substituted for live animals in experiments.
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See diagram on page 66. Dental formula refers to an adult mammal with the correct number of teeth.
Biology Basic Facts
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The facts concerning cryptorchidism, that is to say, failure of the descent of the testes in Mammals, seem to show that the hormone of the testis is not derived from semen or spermatogenesis, for in the testes which have remained in the abdomen there is no spermatogenesis, while the interstitial cells are present, and the animals in some cases exhibit normal or even excessive sexual instinct, and all the male characteristics are well marked.
Hormones and Heredity
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The mammals include a number of well-known animals such as the eastern grey kangaroo Macropus giganteus, the red-necked wallaby M. rufogriseus, wallaroo M. robustus, koala Phasocarctos cinereus and wombat Vombatus ursinus, the greater glider Petaurus volans, the squirrel glider P. norfolcensis, mountain brushtailed possum Trichosurus caninus; also the rarer spotted-tailed quoll Dasyurus maculatus (VU), long-nosed potoroo Potorous tridactylus (VU), yellow-bellied glider Petaurus australis and brush-tailed rock wallaby Petrogale penicillata (VU).
Greater Blue Mountains Area, Australia
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This is the best place on the west coast of Scotland for seeing large marine mammals.
A Guide to Britain's Conservation Heritage
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Soon after the melt unusual looking Ice Age mega-mammals like woolly mammoths, mastodons, saber-toothed lions, and bison roamed the prairies.
Dr. Reese Halter: Protecting Our Wild Prairies
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Even so, Mammalodon was a fairly specialized mysticete that lived about ten million years after the hypothesized time of origin for its group.
ScienceBlogs Channel : Life Science
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Visitors to the site where a humpback whale beached itself at the weekend were shocked to discover the mammal had already been put down yesterday.
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Or a marine mammal with a British soul star?
The Sun
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Other forest dwelling mammals include forest buffalo (Syncerus caffer nanus), and larger forest antelopes such as bongo (Tragelaphus euryceros) and sitatunga (Tragelaphus spekei).
Northwestern Congolian lowland forests
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The second argument arises from the demonstration that mammalian mitochondria house the enzyme apparatus that is necessary for recombination.
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I left them hastily somewhere in the area of the mucous membrane of the small intestine ( "including that of the plicae circulares") and reverting to my rapidly proliferating list, journeyed back more than 1,360 tempting pages to chorion, only to find myself and it deeply involved with the fetus of mammals.
VERBATIM: The Language Quarterly Vol XIV No 3
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Although fish axons are capable of regeneration, they are nevertheless repelled by mammalian CNS myelin and oligodendrocytes.
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And the little mammal makes her way out in the morning sun, looking for food to raise her youngsters.
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The primary skeletal difference between reptiles and mammals is found in the structure of their jaws.
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Occasionally the bears eat small mammals, fish, and insects for extra protein (brown bear fun facts).
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Absolute majority oocytes consist in mammalian ovary in preantral follicles , antral follicles a small portion.
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Her graceful neck rises higher than the trees, like a giraffe in slow motion, her liquid eyes staring curiously, then dismissively, at the gaping humans; she returns to her grazing as if these late-model mammals were no more worthy of note than their scruffy shrewlike ancestors, with whom she shared the Earth 130 million years ago.
Here Come The Dnasaurs
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They also sometimes roost in the burrows of other mammals such as hedgehogs, porcupines, and aardvarks.
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This instinct caused animals to form close-knit, evenly spaced groups, as seen in real mammal herds and fish schools.
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All around her there was the activity of woodland creatures, birds and mammals, insects and fish, continuing their role in the environment.
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The Koobi Fora deposits are rich in pre-human, mammalian, molluscan and other fossil remains and have contributed more to the understanding of palaeoenvironments than any other site on the continent.
Lake Turkana National Parks, Kenya
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Eagle owls, the most powerful of strigid owls, can even handle larger mammalian prey such as foxes, young roe deer, and monkeys.
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However, no investigation has been made into whether homologous chromosome pairs or bivalents with altered patterns of recombination events may also be at increased risk for nondisjunction in mammals other than humans.
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The structure is unusually large in cynodonts and mammaliforms.
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On March 6, we listed the Buena Vista Lake shrew, a tiny insect-eating mammal native to California's southern San Joaquin Valley, as endangered.
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A newly unearthed fossil is the missing link between land and marine mammals: Standing two to three feet tall on legs adapted to wade through shallow water, the 48-million-year-old Indohyus is the missing link between modern-day whales and their land-lubbing ancestors.
Science Is Nifty
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It did not replace my fascination for mammals, birds and reptiles.
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Insects serve as pollinators for food crops, nutritious sustenance for a range of birds and mammals, and decomposers of plant and animal products.
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Tracks of any mammalian visitors were identified to the species level.
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Tasmanian devils have for some years been plagued with a mysterious and lethal cancer. Now, the dog-sized mammals are fighting back: They are breeding at younger ages.
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Villagers opposed to opencast mining plans near their homes claim the proposals could encroach on local water voles, currently the UK's fastest declining mammal.
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In the developing mammalian brain, for example, neurons migrate up into the cranium, using much the same kind of amoeboid movement that our deep ancestor employed to capture bacteria.
NPR Topics: News
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If it is dense enough, shrubbery can provide a home to ground-nesting birds such as doves and thrushes as well as small mammals like rabbits.
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In the animal kingdom there are many phyla, and the mammals come into a phylum called the chordates.
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Hair can stand on edge to make the mammal seem larger; lips are pulled back to make fangs look as large as possible.
Times, Sunday Times
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Like some other mammal taxa, but unlike rabbits and other lagomorphs, male rodents have a baculum (penis bone).
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From the concentrations of birds and mammals in high latitudes has grown the myth that all polar seas are immensely productive.
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Within the St. Floris region, the most abundant large mammals seem to be kob Kobus kob, hartebeest Alcelaphus buselaphus and grey duiker Sylvicapra grimmia, with other fairly abundant ungulates including waterbuck Kobus ellipsiprymnus, oribi Ourebia ourebi, topi Damaliscus lunatus, reedbuck Redunca redunca, roan antelope Hippotragus equines and giant eland Taurotragus derbianus; also buffalo Syncerus caffer, warthog Phacochoerus aethiopicus and hippopotamus Hippopotamus amphibius.
Manovo-Gounda-St Floris National Park, Central African Republic
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Rabies is endemic in the majority of warm-blooded mammals in Thailand, including rats and mice, cat's favourite prey.
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Excavation ceased in the 1950s and the area is now overgrown with woodland, bracken and gorse which provides a habitat for birds, snakes and mammals.
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Insects such as grasshoppers, crickets, and butterflies are a major part of their summer diet which also includes mammals such as mice, voles, young squirrels and rabbits, and shrews.
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But changing human attitudes toward cheetahs is only part of the battle to save Earth's fastest land mammal.
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Rose MD, Misra LM, Vogel JP (1989) KAR2, a karyogamy gene, is the yeast homolog of the mammalian BiP/GRP78 gene.
PLoS ONE Alerts: New Articles
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An estimated 145, 000 of the marine mammals live off the California coast.
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For example, China's Yangtze river dolphin and the solenodons of Hispaniola and Cuba, are the last surviving representatives of entire families of mammals, yet are unfamiliar to both conservationists and the public, and are frequently overlooked by current conservation initiatives.
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Sucking lice are exclusively hematophagous ectoparasites of eutherian (placental) mammals, and are worldwide distribution.
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There are several cases of convergent evolution between marsupials and placental mammals, in which the two animals have evolved to fill the same ecological niche in different parts of the world.
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Somewhere along the line, I fell in with the charismatic megafauna, and now I work on the physiology, bioenergetics, behavior, and bioacoustics of marine mammals.
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Oh, Trizein says the little creature is indeed mammal and will need a lactoprotein, heavy in calcium, glucose, salt and a good dollop of phosphates.
Cattle Town
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Small mammals, especially rodents such as voles, pocket gophers, and mice make up most of the Great Gray Owl's diet.
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So we start, in biology, with single celled, then microscopic organisms, then fish, amphibia, with tails, mammals with tails, until we reach the anthropoid stage.
A Book Review; The Terror Dream: Fear and Fantasy in Post-9/11 America by Susan Faludi
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Another 20 unknown contacts were countermined in harbours as the team responded to USN unmanned vehicle or marine mammal searches.
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The release of 195 decibels into this key waterway used by orcas, porpoises, seals, and other marine mammals was followed by an increase in strandings.
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Among mammals, the carnivores, primates, and tenrecs all have fairly well-established African connections.
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They all contain indigenous mammalia or batrachia, and generally a much greater variety of birds, reptiles, insects, and plants, than do the oceanic islands.
Darwinism (1889)
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The ability of leptospires to persist in mammalian renal tubules reflects a highly evolved form of parasitism.
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The other new rule tightens restrictions on ruminant feed, eliminating mammal blood, poultry litter and table scraps from the list of items that can legally be fed to cattle and other ruminants.
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Could the fossa be a link between the marsupial and the mammals without pouches?
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Molecular and morphological supertrees for eutherian (placental) mammals.
We flightless primates
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The ecoregion also represent an important refuge for certain mammals, such as otter (Lutra lutra), and for an important number of reptiles (i.e. Emys orbicularis, Mauremis caspica, Chamaelo chamaelon), as well as wintering (i.e. Anas strepera, Netta rufina) and nesting (Ardea purpurea, Nycticorax nycticorax, Circus aeruginosus) bird species.
Southwest Iberian Mediterranean sclerophyllous and mixed forests
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While the comparison is not quite admissible, yet the recent investigations carried on by Lang and Barrett, who examined the eyes of certain mammalia, found that the larger number were hypermetropic or far sighted.
Scientific American Supplement No. 822, October 3, 1891
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Small and furry, bats are the only mammals to have achieved powered flight.
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Most of these species are small mammals and include four-toed jerboa (Allactaga tetradactyla, EN), North African gerbil (Gerbillus campestris), James's gerbil (G. jamesi), pale gerbil (G. perpallidus), lesser short-tailed gerbil (G. simoni) and sand gerbil (G. syrticus, CR), fat-tailed gerbil (Pachyuromys duprasi), and Shaw's jird (Meriones shawi).
North Saharan steppe and woodlands
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The male feeds the female while she incubates, catching small mammals and birds and bringing them back to the nest.
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In his _Origin of Species_, Darwin further showed that no true oceanic island had any native mammals or batrachia when first discovered, this fact constituting the test of the class to which an island belongs; whence he argued that none of them had ever been connected with continents, but all had originated in mid-ocean.
Darwinism (1889)
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The mammal species that are present include goats, foxes, anteaters, rabbits and bats, while the birds are hawks, partridges, daras, pigeons, troupials and a type of cardinal.
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Now a recent study suggests that one creature - with a bite that may rival that of most predatory mammals - may have been sorely misjudged.
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A fossil assemblage accumulated by a predator thus may not represent any single mammal community from any one habitat.
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They include unique assemblages of mammal remains, notably hominid and primate records, but also bones of Elaphas planifrons, Stylohipparion libycum, Libytherium maurusium, Anacus osiris, Testudo gigans and T. emys.
Ichkeul National Park, Tunisia
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Humans have the largest cerebral cortex of all mammals, relative to the size of their brains.
The Sun
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primitive mammals
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Two of the most amazing mammals on Earth are the naked mole-rat and the platypus.
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The function of a mammal's fur is to insulate the body.
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There are several large mammals of conservation significance in this ecoregion, including the endangered douc langur (Pygathrix nemaeus), red-cheeked gibbon (Hylobates gabriellae), and pileated gibbon (Hylobates pileatus) and potentially the tiger (Panthera tigris).
Southern Vietnam lowland dry forests
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They are still members of the order artiodactyla along with all the other kosher mammals.
Discourse.net: Just Passing Through
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This possibility was addressed by Humphries et al. who used a number of experimental and modeling approaches, based on bioenergetics, to predict effects of climate warming on the distribution of northern mammals.
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But in the middle Tertiary the mammal brain began suddenly to enlarge, so that in our time the brain of the horse is more than eight times the size of the brain of his progenitor, the dinoceras of Eocene times.
Time and Change
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Other mammals found here include elephants, lions, forest buffaloes, warthogs, and a variety of antelopes such as waterbuck, reedbuck, common duiker, and even the swamp-dwelling sitatunga, the most aquatic of the antelopes.
Ecoregions of Congo, Democratic Republic of (WWF)
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Both taxa are placental or eutherian mammals, but their relationships to other eutherians continue to be a source of discussion.
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They are also preyed upon by mammalian predators such as cats, and by snakes such as boas and anacondas.
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Hominidae, the mammalian family that includes modern humans and their immediately extinct ancestors, contains four genera: Ardipithecus, Australopithecus, Paranthropus, and Homo.
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As is apparent from the brief review given above, the relationship between genome size and erythrocyte size is detectable in each of the vertebrate classes, even in the uniquely enucleate case of mammals.
A Dubious "Opportunity" for IDers
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It is generally difficult to discern the complete repertoire of other chemosensory receptor genes in mammals.
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Driftnets and longlines are notorious for killing other species, including seabirds and marine mammals.
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Burrow walls are smooth, no plant material is present, and only very few published descriptions mention fecal pellets, or mammalated linings as components of burrow walls.
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The early Eocene is important for another reason: many orders of fossil mammals (especially primates, perissodactyls, artiodactyls, rabbits, whales, and bats) make their first appearances in the fossil record.
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Homeothermic mammals regulate their body temperatures, and hence their energy expenditure, to a relatively constant and fairly high rate.
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By changes in their development, the articular and the quadrate bones in mammals were modified into two bones, the malleus and incus, whose function was now to transmit sound from the tympanic membrane to the inner ear.
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25 THE HUMAN BRAIN The auricle is another uniquely mammalian feature.
The Human Brain
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It is the continent's largest wild land mammal.
Times, Sunday Times
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The park contains habitat for at least eight endangered mammal species and is also proving to be an important geobotanical laboratory for studies on pollen and climatic changes in the Amazon basin.
Rio Abiseo National Park, Peru
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In fact, Haldane gives two examples where the evolutionary rates accord with his calculations average rate of speciation in the carnivora, and mammalia on page 522, his conclusion: “the agreement with the theory developed here is satisfactory”.
Haldane's non-dilemma - The Panda's Thumb
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The giant, tusked mammals typically clamber onto the sea ice to rest, or haul themselves onto land for just a few weeks at a time.
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It is the largest carnivorous mammal ever to have lived in Australia and the largest known marsupial carnivore in the world.
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Moffett A, Loke C (2006) Immunology of placentation in eutherian mammals.
PLoS ONE Alerts: New Articles
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A carnivorous mammal(Martes pennanti)of northern North America, having thick, dark - brown fur.
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We also found 12 unique toothfish γ crystallin cDNAs (twice that found in mammals), some of which are homologues of the γ crystallins from warm bodied mammals.
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Other rare mammals include the Guianan squirrel (Sciurus aestuans), and Paca (Agouti paca).
Araucaria moist forests
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The Cattle Egret is a small heron, usually found near grazing mammals.
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The effect of irradiation is absolutely universal, mutations appear after irradiation within all organisms, from simple viruses and bacteria up to the most highly organized plants and mammals.
Physiology or Medicine 1946 - Presentation Speech
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Yet, such episodes have the potential to cause the most serious ecological risk (primarily for sea birds and mammals) and result in long-term environmental disturbances (mainly in coastal zones) and economic impact on coastal activities (especially on fisheries and mariculture).
Oil spill
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If a pack of carnivorous mammals were to chase a lone prey animal into the tar pits, both predators and prey would become trapped.
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Oh, Trizein says the little creature is indeed mammal and will need a lactoprotein, heavy in calcium, glucose, salt and a good dollop of phosphates.
Dinosaur Planet
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Intestinal Fluke (Heterophyes) - Humans and other mammals become infected with the digenetic trematode by eating contaminated raw or undercooked fish.
Undefined
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Jane arrived in Gombe with a non-scientific view that chimpanzees, along with dogs and some other mammals, were very like people.
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Other mammals in the area are the vizcachas (Lagostomus maximus), the cuis pampeano (Cavia aperea), the nutria (Myocastur coypus), and the opossum (Didelphis albiventris).
Semi-arid Pampas
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According to this scenario, also like mammals and birds, they must have been endothermic, or nearly so.
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I am trying to recall the peculiar instincts of the monsters of the preadamite world, who, coming next in succession after the molluscs, the crustaceans and le fishes, preceded the animals of mammalian race upon the earth.
Journey to the Interior of the Earth
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But there are also adaptive and purely analogical homologies, such as the interdigital palmation of aquatic birds, amphibians and mammals.
Form and Function A Contribution to the History of Animal Morphology
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Between meals, a mammal's intestinal muscles normally contract rhythmically to sweep out bacteria and waste.
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Incidentally, this was an inspired guess: we now know that the elephant did in fact evolve from an aquatic mammal.
Times, Sunday Times
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* A heavily built, Southeast Asian hoofed mammal of the family Bovidae, the takin lives in small herds in the mountains, often above timberline.
Chapter 8
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The London zoo has an extensive collection of birds, small mammals, bears and hippos, and apes and monkeys.
