Basically, warm-blooded animals include birds and mammals. There are many birds and mammals in the world, but not nearly as many as there are insects, fish, reptiles, and amphibians.

What is meant by warm blooded animal?

Animals, such as mammals and birds, that maintain a constant body temperature regardless of the temperature of the surroundings. (Compare cold-blooded animals.)

Which is cold blooded animals?

Animals that cannot generate internal heat are known as poikilotherms (poy-KIL-ah-therms), or cold-blooded animals. Insects, worms, fish, amphibians, and reptiles fall into this category—all creatures except mammals and birds.