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Topic: Aquatic mammal


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In the News (Sat 11 Feb 12)

  
  mammal - Encyclopedia.com
In the majority of mammals the body is partially or wholly covered with hair; the heart has four chambers, and only the left aortic arch is present; and a muscular diaphragm separates the chest from the abdominal cavity.
Mammals are warm-blooded; that is, they have a relatively constant body temperature independent of the temperature of their surroundings.
Some remains of mammals are identified as from the Jurassic period of the Mesozoic era; the group became diversified in the Tertiary period of the Cenozoic era.
www.encyclopedia.com /doc/1E1-mammal.html   (1377 words)

  
 Homosassa Springs Wildlife State Park - Manatees: An Educator's Guide - Aquatic Mammals
Aquatic mammals are specially adapted animals that live totally or partially in the water.
Though aquatic mammals have much in common because of their physical structure and aquatic habitat, each is adapted to its own particular lifestyle and niche.
Aquatic mammals that live in cold areas or deep water have developed better insulation than the manatee requires in its tropical home.
www.hswsp.com /manatees/extensive/aquaticmam.html   (627 words)

  
 Aquatic fur-bearing mammal and bird vivarium - US Patent 5315965
A further object of the present invention is a method for rehabilitating aquatic mammals and birds, and otters in particular.
The vivarium will be suitable for maintaining aquatic mammals and birds such as: seals, sea lions, sea otters, river otters, North American river otters, aquatic rodents, and carvers such as gnathion and weasels and all aquatic birds such as cormorants, seagulls and pelicans.
The aquatic mammal and bird vivarium and the methods described herein are presently representative of preferred embodiments, are exemplary, and are not intended as limitations on the scope of the invention.
www.patentstorm.us /patents/5315965-description.html   (2993 words)

  
 Spartanburg SC | GoUpstate.com | Spartanburg Herald-Journal
A marine mammal is a mammal that is primarily ocean-dwelling or depends on the ocean for its food.
Since different groups of marine mammals originate from different ancestors, this is a case of convergent evolution.
Since mammals originally evolved on land, their spines are optimized for running, allowing for up-and-down but only little sideways motion.
www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=aquatic_mammal   (570 words)

  
 HotBot Web Search for mammal
Mammals are one of the 6 main classes of animals.
The largest mammal, and indeed the largest animal to ever inhabit the planet, is the blue whale, which can weigh 160 metric tons (160,000 kg).
Living mammal species can be identified by the presence of sweat glands, including those that are specialized to produce milk.
www.hotbot.com /?query=mammal&first=90&page=more   (228 words)

  
  anthropologist: Aquatic Ape Theory Info:
In hibernating mammals the fat is localized seasonal humps; in most aquatic ones, as in humans it is present as a layer of blubber all the year round.
Also, in land mammals fat tends to be stored internally, especially around the kidneys and intestines; in aquatic mammals and in humans a higher proportion is subcutaneous, attached directly to the skin.
A land mammal is normally obliged to breathe through its nose most of the time, because its windpipe passes up through the back of the throat and the top end of it (the larynx) is situated in the back of its nasal passages.
community.livejournal.com /anthropologist/968493.html   (0 words)

  
 Mammal Pages to Color Online
The fossa is a meat-eating mammal from the island of Madagascar.
Macrauchenia was a camel-like mammal from the Pleistocene period - it is extinct.
A walrus is a northern marine mammal with ivory tusks.
www.allaboutbutterflies.com /painting/Mammals.shtml   (0 words)

  
 [No title]
Aquatic Pathobiology Center - Dr. Renate Reimschuessel is a veterinarian and aquatic pathologist.
She also is heavily involved in research (fish diagnostic pathology, immunology/toxicology/microbiology, and renal repair/injury response) and encourages students to work on a case report or a research question while with her, hopefully publishing at the end of the clerkship..
Marine Mammal Care Center - This is a 4 week clerkship in marine mammal husbandry and rehabilitation, involving all aspects of animal care (nutritional support, capture, restraint, examination, diagnosis, medication, surgery, necropsy, and release) and focusing primarily on pinnipeds.
cvmstudent.cvm.msu.edu /ac/aquarium.htm   (0 words)

  
 To: All Msg #13, Nov0793 03:42PM Subject: Re: Request for Summary Aquatic Ape Theory Follo
We might note that the ancestors of all fully aquatic mammals were quadrupedal and observe that Proboscis monkeys, which have adopted a partially aquatic life in their recent evolutionary history, wade in shallow water and swim in deeper water.
The AAT observes that hairlessness in mammals is most often associated with aquatic and semi-aquatic animals, usually combined with a layer of subcutaneous fat.
Those aquatic mammals that have retained their fur, because they spend time on land in colder climates, have extensively modified it for the aquatic environment.
www.skepticfiles.org /evolut/aquatica.htm   (0 words)

  
 Aquatic animals - info and online games
In truth, there are a number of mammals who rely on water for hunting and fishing, as well as those who spend their entire lives in the sea.
Although they may look like fish, dolphins and whales are in fact mammals -- they are warm blooded, have very fine hairs on their bodies, and produce milk to feed their young.
While they never emerge from the water, however, other sea mammals like seals and sea lions divide their time equally between water and land, using it for both for fishing and for fun.
www.sheppardsoftware.com /content/animals/profile_aquatic_mammals.htm   (182 words)

  
 Dolphin Aquatic Mammal: Free Encyclopedia Articles at Questia.com Online Library
Their surname puns on the name of the aquatic mammal that attends the goddess in certain ancient representations, e.g., the Aphrodite of Cyrene.
An Aquatic Adventure...the Marine Mammal Pavilion...whale and dolphin habitat...bottlenose dolphins and beluga...the Marine Mammal Pavilion...advanced aquatic animal care...stranded marine mammals such as whales, dolphins, and seals...and their aquatic coworkers...
DOLPHIN, aquatic mammal aquatic mammal, any of the small...the true, or beaked, dolphins, the killer whale...Classification Dolphins are classified in...Vertebrata, class Mammalia, order Cetacea, family...
www.questia.com /library/encyclopedia/101241188   (2674 words)

  
 dolphin, aquatic mammal. The Columbia Encyclopedia, Sixth Edition. 2001-05
aquatic mammal, any of the small toothed whales of the family Delphinidae, numbering more than 50 species.
These include the true, or beaked, dolphins, the killer whale, the pilot whale, and 12 freshwater species found in rivers of South America and S Asia.
Their aquatic natural enemies are sharks and killer whales; these they attempt to outswim, using complex evasive strategy, or batter to death, acting in a group.
www.bartleby.com /65/do/dolphin-mam.html   (1382 words)

  
 Mammals - Learn About Mammals at LearnAnimals.com
Mammals come in all shapes and sizes, and can be found all over the earth.
All mammals are warm-blooded and have either hair or fur on their bodies.
The Platypus is native to Australia and Tazmania, and is a semi-aquatic mammal.
www.learnanimals.com /mammals.php   (0 words)

  
 Aquatic Ape Hypothesis
being born alive is a characteristic of aquatic mammals.
Aquatic mammals are born rather advanced as opposed to humans, and they have milk which is very different than humans milk in several features (extremely rich in fat and protein, and very low in lactose).
In actual marine mammals the kidneys are large and heavily lobulated, unlike those in humans and other terrestrial mammals (except for desert animals such as kangaroo mice, which face the same problem that marine mammals face -- lack of fresh water).
www.captaincynic.com /thread/45811/aquatic-ape-hypothesis.htm   (0 words)

  
  Recent Aquatic Hairy Mammal Find Dates Back to Age of Dinosaurs - Science - RedOrbit
Of all the discoveries about the fossil mammal, the hairy body and signs of swimming are the most significant, said the study's co- author Luo Zhexi, also curator of vertebrate paleontology at the Carnegie Museum of Natural History in Pittsburgh, during a phone interview on Monday with China Daily.
"It is anticipated that all mammals have hair, which is a fundamental feature to all mammals to keep a constant body temperature," said Luo, who was born in southern China and pursued his doctorate degree in the United States a couple of years ago.
The tail bones of the mammal are flat and broad, covered by some scales, suggesting a perfect shape that helped propel it through water like the modern beaver.
www.redorbit.com /news/science/410247/recent_aquatic_hairy_mammal_find_dates_back_to_age_of/index.html?source=r_science   (1029 words)

  
 Sherpa Guides | Southeast | Aquatic Fauna In Peril | Imperiled Mammalian Fauna of Aquatic Ecosystems in the Southeast: ...
Aquatic mammals are notoriously difficult to census because they are often secretive, trap-wary, relatively rare, or have extensive movement patterns.
Imperiled mammals are any mammalian species, subspecies, or population listed as endangered, threatened, or of special concern on any state or federal list, and also includes mammals experiencing long-term population declines or significant range contractions.
Most of Florida’s endangered mammals are associated with aquatic environments because these animals are extremely sensitive to slight changes in hydrology, pollution, and temperature, and because the unique natural beauty of their habitat places intense developmental pressure on it by humans.
www.sherpaguides.com /southeast/aquatic_fauna/chapter_15/index.html   (7627 words)

  
 HANDBOOK OF UTILIZATION OF AQUATIC PLANTS
The ideal way to utilize aquatic weeds is to employ animals to harvest the plants by eating them and thus convert them into useful products, the only expense involved then being the periodic harvesting and processing of the animals.
The author suggests that control of aquatic weeds by the carp may be as much due to the fish dislodging the plants while looking for food, and covering algae with mud, as actually eating them.
They point out that the aquatic plant population is beneficial as it provides food and shelter for fish, but the weeds also interfere with fishing and harbour the snail vectors for the disease bilharzia.
www.fao.org /DOCREP/003/X6862E/X6862E09.htm   (5383 words)

  
 NRDC: Glossary of Environmental Terms
Malthusian - based on the theories of British economist Thomas Robert Malthus (1766-1834), who argued that population tends to increase faster than food supply, with inevitably disastrous results, unless the increase in population is checked by moral restraints or by war, famine, and disease.
mammal - an animal that feeds its young with milk secreted from mammary glands and has hair on its skin.
marbled murrelet - a rare and imperiled bird that nests in ancient forests on the west coast of the U.S. marine mammal - a mammal that lives in the ocean, such as a whale.
www.nrdc.org /reference/glossary/m.asp   (450 words)

  
 AAT/H Leaflet List Annotated
It is not surprising that the traces of aquatic adaptation have become partially obliterated and have gone unrecognized for so long.
The only mammals which typically use occasional bipedalism for all the reasons humans do -- locomotion, feeding, sentry and display behavior -- are terrestrial mammals, such as primates and kangaroos; no aquatic mammal uses bipedalism.
Humans' larynx very different from aquatic mammals, both in structure and life history, and descended larynx found in various terrestrial animals, including chimps and various deer species.
www.aquaticape.org /leaflist.html   (867 words)

  
 Dolphin (aquatic mammal) - Search Results - MSN Encarta
Aquatic Animal : mammals : whales and dolphins: Beluga (whale)
Teeth : teeth of mammals : whales and dolphins: Toothed and Baleen Whales
Aquatic mammal dolphin - Columbia Encyclopedia article about Aquatic...
encarta.msn.com /Dolphin_(aquatic_mammal).html   (209 words)

  
 Placental Mammal Pages to Color Online
Placental mammals are advanced mammals whose young are born at a relatively advanced stage (more advanced than the young of other mammals, the monotremes and marsupials).
The Grizzly Bear is a large mammal with a muscular hump on its shoulders.
The raccoon is a mammal with mask-like markings on its face and a ringed tail.
www.enchantedlearning.com /painting/Placental.shtml   (1080 words)

  
 Alliance of Marine Mammal Parks and Aquariums
Aquatic Mammals is the journal of the European Association for Aquatic Mammals and is the oldest international scientific, peer-reviewed marine mammal journal.
Almost everything that is now known about dolphin and marine mammal health care, physiology, reproductive biology and intelligence has been learned through scientific studies in marine life parks over the last 40 years.
In this journal, papers dealing with all aspects of the care, conservation, medicine and science of aquatic mammals are published.
ammpa.org /amjournal.html   (0 words)

  
 'Jurassic beaver' find stuns experts - life - 23 February 2006 - New Scientist
The discovery of a new, remarkably preserved fossil of a beaver-like mammal that lived 164 million years ago is shaking palaeontologists’ understanding of early mammals.
The fossil of the semi-aquatic mammal Castorocauda lutrasimilis was discovered in the middle Jurassic Jiulongshan formation in Inner Mongolia, China, by Qiang Ji at Nanjing University, and colleagues.
Palaeontologists had long thought the mammals living under the feet of the dinosaurs were tiny shrew-like animals.
www.newscientist.com /channel/life/dn8769.html/url   (539 words)

  
 Columbia Encyclopedia- whale - AOL Research & Learn
Although their ancestry has been much debated, DNA studies and skeletal evidence from extinct early whales indicate that whales evolved from the ancestors of artiodactyls, a group that includes hippopotamuses, cows, pigs, and deer.
Like other mammals, whales breathe air, are warm-blooded, and produce milk to feed their young.
Their adaptations for aquatic life include a streamlined form, nearly hairless skin, and an insulating layer of blubber, which can be as thick as 28 in.
reference.aol.com /columbia/_a/whale/20051208005009990003   (957 words)

  
 Whittier Career Services Major & Career Information Guides: Mammalogy
There are about 100 species of aquatic or marine mammals that depend on fresh water or the ocean for part or all of their life.
Marine mammal scientists are hired because of their skills as scientists, not because they like or want to work with marine mammals.
First, identify marine mammal scientists who are doing current research in an area of interest, their university affiliation, whether they have funds to support graduate students, and if they are accepting new students.
www.whittier.edu /career/guide/biology/mammalogy.htm   (0 words)

  
 Mammal Swam with Dinosaurs | LiveScience
Newfound remains of a beaver-like creature suggest that mammals swam with dinosaurs.
This critter was a "giant among midgets," researchers said, dwarfing the other pint-sized mammals scurrying around during the Jurassic period.
Full-time aquatic mammals such as whales and manatees first appear during that period as well.
www.livescience.com /animalworld/060223_aquatic_mammal.html   (710 words)

  
 Geotimes - April 2006 - Fossil bites into mammal stereotypes
From beneath layers of ancient ash in China, paleontologists uncovered the fossil of a large beaver-like mammal that lived on land and likely fished in lakes.
Based on previous fossil discoveries, paleontologists thought that land mammals in the Jurassic reached a maximum size of about 20 centimeters (about 8 inches).
Until now, the earliest semi-aquatic mammals discovered were from between 25 and 55 million years ago.
www.geotimes.org /apr06/NN_FossilMammal.html   (0 words)

  
 13 Acres - Science Glossary   (Site not responding. Last check: )
aquatic organisms, from single-celled to multi-cellular sea weeds, that make their own food by photosynthesis.
a small mammal that is covered with course hair and long and hollow, pointed quills that the animal can raise outward for defense from predators.
A fox is a terrestrial mammal where as a whale is an aquatic mammal.
www.richmond.k12.va.us /schools/thirteenacres/sci_glossary.htm   (0 words)

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