Two different groups of macaques have been spotted in Japan mounting sika deer. The behavior could be part of a shared ...

It's not every day you see an elk pee on its own face, but here we are. Check out this amazing footage from Yellowstone ...

With deer mating season underway ... mid-October to December is the worst time of the year for vehicle collisions with animals. "This is the time of the year when deer are extremely active ...

In polygyny, one male mates with multiple females during a breeding season. This is the mating system of some primates, lions, and deer ...

The onset of cooler weather also means it's mating season for deer. According to AAA, the most crashes involving animals occur in October, November and December. It's also darker earlier in the ...