Males in the rut find a muddy spot then widdle in it and roll in it giving them that matcho sent to intise the ladies, there pupils are like a goats and not circular. They suffer same foot rot problems as sheep. They only have lover front teeth the tops hardened gum. They rumitate so re-eat what they ate.

Deer have four hooves on each foot! Each cloven "half" of the hoof counts as a separate hoof. Then the dewclaws. In total, deer have sixteen hooves.

Oh, and male musk deer are one of the only deer species where the males do not have antlers. Instead, they have long tusks.

Water chevrotains are smaller than a Jack Russel terrier.