Taken by Rich Brauhn, the photo shows the wild horses in Theodore Roosevelt National Park grazing in the Badlands.

Most of us know to give bears a wide berth in the wild. But there are gentler wild animals, even prey, that can get very aggressive in the wrong situations.

Poop analysis shows huge variation in the diets of 16 western herds that include Wyoming’s Adobe Town, Green Mountain and McCullough Peaks herds.

Humans have been living alongside animals for thousands of years, turning wolves into loyal dogs and wild cattle into dairy ...