Asides from pangolins and armadillos, there is one incredibly rare mammal with scales that has never been seen (or at least recorded) alive. Science only really knows of its existence from finding dead specimens. read more
scaly fish like carp have scales, some reptiles, like snakes, have scales too. Birds have feet that appear to be scaled, but in truth they actually have something called scutes, crocodilians have scutes as well. read more