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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. Other species have various degrees of thermoregulation .
- 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.
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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.
5 days ago · Warm-bloodedness is the ability to regulate body temperature independently of the environment. Learn how warm-blooded animals, such as mammals and birds, use mechanisms like shivering, hibernation, and panting to adapt to different temperatures.
- The Editors of Encyclopaedia Britannica
Jul 20, 2022 · A study based on inner-ear anatomy suggests that mammals evolved endothermy, or warm-bloodedness, around 233 million years ago, during the Triassic period. This finding challenges previous estimates and reveals the ancient origins of this critical feature of mammals.
- Riley Black
Endotherms are animals that regulate their body temperature independently of the environment. They include birds, mammals, and some fish. Learn more about endothermy, thermoregulation, and metabolism from Britannica.
Jul 20, 2022 · How did mammals evolve to regulate their own temperature and why is it hard to pinpoint the date? Listen to a podcast episode that explores the fossil evidence of ancient inner ears and the enzyme that pulls CO2 out of the air.
