Homeothermic Animals

Homeothermic Animals

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Birds and mammals are homeothermic

What they are - biological definition

Homeothermic animals are those that have the characteristic of keeping the body temperature constant, ie without variation. These animals maintain body temperature between 35 and 40ºC (varies from species to species). Not important if the environment has a high or low temperature, these animals always have a constant temperature.

Examples of Homeothermic Animals

- The prime example is the human being. Our temperature remains at 36.5ºC. It may be a hot or cold day, but body temperature will stay in this range. It can rise when humans have some kind of infection (caused by viruses or bacteria), which we call fever.

Humans are also homeothermic animals.

- All other mammalian animals are also homeothermic. Examples: monkeys, horses, mice, dogs, cats, rabbits, goats, giraffes, lions, kangaroos, elephants, zebras, tigers, etc.

- All bird species are also homeothermic animals: macaws, hawks, owls, vultures, pigeons, rooks, chickens, turkeys, storks, swans, ducks, etc.

What about non-homeotherms?

Animals that do not maintain a constant body temperature are called petilotherms. In these animals, body temperature varies with the temperature of the environment. When it is a cold day the temperature goes down and in the heat the opposite occurs. Examples of pecilothermic animals are reptiles (turtles, lizards, snakes, snakes, etc.) and amphibians (frogs, frogs, tree frogs, newts and salamanders).