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Warm-blooded is an informal term referring to animal species whose bodies maintain a temperature higher than that of their environment. In particular, homeothermic species (including birds and mammals ) maintain a stable body temperature by regulating metabolic processes.
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- Alpaca. Vicugna pacos. Mammal. Peru. Herbivore. Alpacas are originally from South America. They live in the grasslands of Peru, Chile, Colombia, and Argentina; they also reside at high altitudes up to 13500 ft.
- Anteater. Vermilingua. Mammal. Central and South America. Omnivore. Anteaters are found in Central and South America. They spend their time eating termites, ants, larvae, bees – really any insect they can find.
- Bats. Chiroptera. Mammal. Worldwide. Omnivore. Bats are also warm-blooded animals that live all over the world, but they tend to prefer warmer climates.
- Bears. Ursidae. Mammal. North America, South America, Europe, and Asia. Omnivore. Bears live in small dens that they make during the summer months.
Mar 5, 2024 · Learn the differences between ectothermic (cold-blooded) and endothermic (warm-blooded) animals, how they regulate their body temperature, and their evolutionary history and advantages. See examples of ectothermic and endothermic animals, including some exceptions and adaptations.
Warm-bloodedness is the ability to regulate body temperature independently of the environment. Learn how warm-blooded animals (mammals and birds) differ from cold-blooded ones (fish, amphibians, reptiles, and invertebrates) and what mechanisms they use to control their heat.
- The Editors of Encyclopaedia Britannica
Endotherms are animals that regulate their body temperature independently of the environment, such as birds and mammals. Learn how endotherms produce and lose heat, and how they differ from ectotherms, which are cold-blooded animals.
- The Editors of Encyclopaedia Britannica
Jul 20, 2022 · Paleontologists use inner-ear anatomy of fossil animals to reveal when endothermy, or warm-bloodedness, evolved in mammals and their relatives. The study suggests that mammals started to warm up around 233 million years ago, during the Triassic period.
Dec 23, 2019 · Learn how warm-blooded animals are mostly mammals and birds that can regulate their body temperature from within, while cold-blooded animals are mostly ectotherms that depend on the external environment for heat. Find out the advantages and disadvantages of each category, and the terms used to describe them.
