Irish Elk

The Irish elk had the biggest antlers of any known deer species.

Musk Deer

The glands of a musk deer can sell for up to $45,000 on the black market.

Red Deer

A male red deer shows his age in his antlers, which become longer and more branched every year.

Sika Deer

Sikas can make 10 different sounds, from soft whistles to loud screams.

Mule Deer

Mule deer can run up to 45 miles per hour.


Male sambars will compete for mates by clashing together with their antlers