Elk

Stay at least 100 yards away from bears and wolves and at least 25 yards away from other large mammals like bison, elk, bighorn sheep, deer, moose and coyotes.

Wildlife is abundant throughout these two national parks. Go wildlife watching in their natural habitat in the areas they frequent most.

Take a sleigh ride and see more than 5,000 elk when they migrate to this lower elevation during the winter near Grand Teton National Park.

If capturing a glimpse of wobbling baby elk and furry baby black bears is on your bucket list, plan to head to Yellowstone National Park between April and June.

Bears are omnivores. That means they eat both meat and plants.

Wildlife officials counted 4,844 elk this winter for the herd that migrates between Yellowstone and Montana.

Predator attacks, a hard winter, and hunting has resulted in a 10% decrease in the Northern Yellowstone elk herd in 2012

Yellowstone elk populations have dramatically risen and fallen in recent decades, but researchers are arguing over the relative impact of wolf predation on elk populations.