Female mule deer will often have twin fawns after they've had their first fawn (which is usually a single). Fawns are born in the spring and will stay with their mother during the summer until they are weaned i More
Though arguments still exist, all recent authorities maintain that the black-tailed deer is a subspecies of the mule deer (Odocoileus hemionus). Black-tailed deer are considered a 'keystone species' in the nati More