A herd of bison swim the Yellowstone river on a cold spring morning.

A herd of bison undergo a harsh spring snowstorm as the newborn calves of the herd endure Yellowstone’s unforgiving elements for the first time.

A small group of bison have a funeral over a fellow herd member that died of natural causes. One of the bison attempts to kick it and scrape the side of its corpse with its horns to wake it up.

A large herd of elk migrate to better feeding grounds after a heavy winter snowstorm.

A massive, battle-worn mule deer buck takes over a herd of does from another buck during the mule deer rut. This behavior demonstrates the raw dominance and power struggles that define these wild deer during breeding season.

Bull elk bugle, herd cows, anoint themselves, and fight for status during the elk rut in the high country.

Bull elk bugle, breed cows, fling mud, and fight for status during the elk rut in the high country. A cow elk is even seen chewing on a bone for much needed minerals. 

Two large bull elk violently fight for the right to mate and claim a harem as the herd bull during the height of the rut.

A herd of elk walk across a busy road, run through yards, and find themselves calling a more human dominated landscape home.

A herd of elk jump a barbed wire fence, play in between the fence, and move to a nearby farmers field to graze for the evening.

A herd of elk jump a barbed wire fence to get across a highway. They run in front of vehicles, bicyclists, and a one of the calves even falls trying to jump over the fence.