Okay So, as soon as you said white and brown I thought of a piebald which are my favorite kind of deer actually ^^ PieBald deer occur when a brown deer has a skin pigmentation that can cause partial albinism, so under their fur they would have pink,brown and sometimes black patches of skin! So that's the story behind that first cutie <3 (They're actually some of the only deers to have colored eyes other than brown!)