A warm-blooded animal, for example a bird or a mammal, has a fairly high body temperature which does not change much and is not affected by the surrounding temperature. cold-blooded. animals that are warm-blooded have a body temperature that remains fairly high whether the temperature around them is hot or cold cold-blooded
Having warm blood; applied especially to those animals, as birds and mammals, which have warm blood, or, more properly, the power of maintaining a nearly uniform temperature whatever the temperature of the surrounding air