endotherm

Table of Contents

Introduction References & Edit History Related Topics

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Ruminant. Deer. Red deer. Cervus elaphus. Buck. Stag. Antlers.

9 of the World’s Deadliest Mammals

Shoebill. A Shoebill Stork (Balaeniceps rex), aka 'Whalehead' standing in shallow marsh. Resides in tropical East Africa. A very large bird related to the storks. It derives its name from its massive shoe-shaped bill.

Funky Feathers: 10 Bizarre Birds

Platypus (Ornithorhynchus anatinus) swimming on the surface of a creek. Water Australia mammal monotreme

Why Is the Platypus a Mammal?

Magpie (Pica pica), perched on a log, bird

Eurasian Magpie: A True Bird Brain

Thermal image portrait of mid adult woman with raised hands

How Does the Human Body Maintain Its Temperature?

Discover

Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)

7 of the World’s Deadliest Shipwrecks

Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society

12 Novels Considered the “Greatest Book Ever Written”

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

Small, white rat (genus Rattus) on a glass table. (rodent, laboratory, experiment)

Cruel and Unusual Punishments: 15 Types of Torture

Hemp (Cannabis sativa).

9 Mind-Altering Plants

Two chicks near an egg with a white background (poultry, chick, chickens, birds).

What Do Eggs Have to Do with Easter?

Fish. Lionfish. Lion-fish. Turkey fish. Fire-fish. Red lionfish. Pterois volitans. Venomous fin spines. Coral reefs. Underwater. Ocean. Red lionfish swims by seaweed.

10 of the World’s Most Dangerous Fish

endotherm: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Topics

animal bird mammal warm-bloodedness Scombroidei Lamnidae opah ectotherm invertebrate microfauna animal social behaviour reptile fish animal behaviour insect crustacean amphibian

Quiz

Sea otter (Enhydra lutris), also called great sea otter, rare, completely marine otter of the northern Pacific, usually found in kelp beds. Floats on back. Looks like sea otter laughing. saltwater otters

Animal Group Names

Mute swan with cygnet. (birds)

Match the Baby Animal to Its Mama Quiz

vulture. An adult bearded vulture at a raptor recovery center. The Gypaetus barbatus also known as the Lammergeier or Lammergeyer, is a bird of prey and considered an Old World vulture.

Animal Factoids

Lion (panthera leo)

Deadliest Animals Quiz