The fur on the tail began to spread. Up his back, down his legs, across his body; he was soon enough covered in a short white fur, with white splotches across him. He took off his clothes. There was no use in trying to hide it anymore, he was turning into a cow, and he just needed to make himself safe.
Looking in the mirror, he saw himself in full for the first time. Big udder, small tail, and fur all over. His body didn't seem to be changing shape, though, so maybe he may just be an anthro-cow.
Then, his hands began to change...