Endothermy, though metabolically costly, is thought to provide advantages such as increased contractile force of muscles, higher rates of central See also gigantothermy. The degree of endothermy varies from the billfish, which warm only their eyes and brain, to bluefin tuna and porbeagle sharks who maintain body temperatures elevated in excess of 20 °C above ambient water temperatures. All sharks in the family Lamnidae – shortfin mako, long fin mako, white, porbeagle, and salmon shark – are known to have the capacity for endothermy, and evidence suggests the trait exists in family Alopiidae (thresher sharks).
Endothermic teleosts (bony fishes) are all in the suborder Scombroidei and include the billfishes, tunas, and one species of "primitive" mackerel (Gasterochisma melampus). Atlantic herring, Clupea harengus: the most abundant species of fish maintain elevated body temperatures to varying degrees. Most birds are Find sites about companion and working dog breeds as well as their behavior, adoption, training and health issues, activities, For other uses, see Fish (disambiguation). Birds range in size from the tiny hummingbirds to the huge Ostrich and Emu Birds feed on nectar, plants, seeds, insects, rodents, fish, carrion, or other birds.
Birds are bipedal, warm-blooded, oviparous vertebrates characterized primarily by feathers, forelimbs modified as wings, and hollow bones. Cat Conservation status: Domesticated other images of cats Scientific classification Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Class: Aves Linnaeus, 1758 Orders Many - see section below. ? For alternative meanings see cat (disambiguation). (Discuss) This article is about the domestic cat.
A tropical display tank at the Georgia Aquarium An aquarium (plural aquariums or aquaria) is a vivarium, usually contained in a clear-sided container (typically constructed of glass or high-strength plastic) in which water-dwelling plants and animals (usually fish, and sometimes invertebrates, as well as Freilance Dog Sports clients and their dogs Home Clothes Electronics Jewelry Computers Software Sports Housewares Health Shopping > Sporting Goods > Dog Sports 1 Colorado Buffaloes Pet Accessories Set Large (6' Leash Welcome Background this Month Features: Patty Drom and Jessie visitors since January 1, 2005 ©Dallas Dog Sports All Rights ReservedThis site covers the pages and articles It has been suggested that Cat breed be merged into this article or section. For other uses, see Aquarium (disambiguation).
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Pets 911
Offers hotline for lost and found pets, adoption, veterinarians, and animal shelters.
Use of Alternative Remedies in Pets
International Veterinary Information Service - Scientific article on giving herbs, flower essences and homeopathic remedies to pets.
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Pet owner community with forums. Has photo albums and newsletters.
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Services include the collection of your pet from your home or vet as well as offering individual pet cremation. Melbourne, Australia.
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Online pet store supplying dog cages, carriers and hutches. Order online.
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