Richard chooses Kangaroos because they are not often seen as anthros. He goes to the Australian area, finds the Kangaroo exhibit, sets up the Morphomax, checks to see if he is alone and fires it the one nearest him.
Richard thinks nothing has happened, but than he notices something. The "arms" of the kangaroo start to become longer and the paws start to gain what look like opposable thumbs. This is confirmed when it grabs on to a railing. Richard hears some cracking noises from the kangaroo. He knows it is the bones rearranging the body. It gains shoulders and a more noticeable neck. He notices that that despite all the changes, the kangaroo wasn't feeling any pain. The Morphomax beeps. It tells Richard that the transformation is done.
He looks and sees that...