Category Archives: Wildlife

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Wolves

Undoubtedly, one of the more popular species now found in Yellowstone Park is the gray wolf (Canis lupus). Many park visitors spend time watching for wolves in the park’s Lamar Valley. (Silver Gate Lodging is the preferred place to stay … Continue reading

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Swans

Trumpeter swans are the largest waterfowl in North America, and easily the biggest flyers in Yellowstone. The wingspan of males (cobs) can reach seven feet. Cobs weigh between 25 and 30 pounds, while females (pens) weigh 23 to 27 pounds. … Continue reading

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Pronghorn

The Pronghorn is the fastest North American land animal, capable of reaching speeds of up to 60 miles per hour. The pronghorn’s speed is its main defense against predators. The newborns, for the first few days of their lives, are … Continue reading

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Moose

Some visitors will have the opportunity to view a wild moose. The moose (Alces alces) is the largest member of the deer family with mature bulls weighing more than 1,000 pounds. The bull moose produce large palmate antlers which are … Continue reading

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Grizzly Bear

Seeing a grizzly in Yellowstone is priceless. Getting too close to one is foolish. The Grizzly Bear is a powerful predator, capable of out sprinting a horse, and weighing as much as 350-600 pounds. Grizzlies are omnivorous, meaning they eat … Continue reading

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Elk

The elk is the most abundant of the large mammals of Yellowstone National Park. Oftentimes reaching the size of a large horse, elk can be seen throughout Yellowstone year-around. The cows and calves oftentimes travel in large groups of a … Continue reading

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Bald Eagle

Bald eagles are one of two species of eagle in Yellowstone, the other is the golden eagle. They are raptors and carnivores, seeking a diet of fish, waterfowl, rodents and small mammals. They also scavenge from the carcasses of large … Continue reading

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Mule Deer

Mule deer, also known as black-tail deer, are ideally suited to the rugged slopes of the Rocky Mountains. A large number inhabit the park in summer, but most migrate to lower elevations, or “winter range” outside the park in the … Continue reading

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Coyote

Having survived the same extermination campaigns that eliminated wolves from the park between 1910 and 1930, coyotes have by default become the predominant canine predator. The restoration of the wolf in Yellowstone has changed this status.

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