Im with vic
Oh really? How long have you two been together? ;)
I think they would act like animals... but maybe that lived under the soil... and would be small like bugs or things that live under soil on earth.
According to supposed leaks I've heard, there are a couple of different types of reptilian humanoid living on Mars. Apparently there are also some kind of little birds there, like chickadees or something. Word has it, the surface of mars isn't completely dead, there are lichens and shrubs and even some forest. But that's just rumor.
they don't exists