What is an antonym for reptile?

Answer 1

An animal cannot have an antonym (opposite word).

However, the poikilotherms (also ectotherms, cold blooded animals such as reptiles) could be considered the "opposite" of homeotherms (warm blooded animals such as mammals).

Answer 2

cold-blooded monsters

snake, lizard, etc.

Answer 3

i think is mammals