Weighing as much as 700 pounds apiece, they had no serious rivals. Grizzly bears, Yellowstone's top predators, are capable of bringing down an adult elk, but they mainly prey on calves. Coyotes, though numerous, were much too small to attack elk.
People Also Ask
Bison - National Park ServiceBison are the largest mammals in Yellowstone National Park. They are strictly vegetarian, a grazer of grasslands and sedges in the meadows, the foothills, and even the high-elevation, forested plateaus of Yellowstone. Bison males, called bulls, can weigh upwards of 1,800 pounds.
Bison are the largest grazing mammals in Yellowstone National Park. ...
Yellowstone is the only place in the lower 48 states where a population of wild American bison has persisted since prehistoric times, although fewer than 50 native bison remained there in 1902.
The mountain lion, also called the cougar, is the largest member of the cat family living in Yellowstone. Mountain lions can weigh up to 200 pounds, although lions in Yellowstone are thought to range between 140 and 160 pounds for males and around 100 pounds for females.
Wolf: One of the most elusive Yellowstone animals and one of the most rewarding. Wolves can be seen hunting in packs in one of the valleys, or they can be a lucky sighting that lasts just a minute as they travel past the road, vanishing as quickly as they appeared.
There are an estimated 34 to 42 mountain lions that reside year-round in Yellowstone. But for wildlife watchers in the park they remain a rare and special sight. The lions tend to move across rugged and difficult-to-access terrain, and are adept at hiding.