Watch how this video montage of our embryonic development goes through all your favorite humanoids ... fish-people at 0:08 ... lizard-people at 0:18 ... then dog- and pig-faced people around 0:21 to 0:23.
Or that - building on a teleological folk-conception of evolution where human form and intelligence are the obvious goal of the whole process - an even more devious procedure would prolong the gestation of animals to the point where they take on human morphology?
The monsters, they are us.
d100 Elf Dungeon Dressings
23 minutes ago