Featured Species

Bald eagle up close with wing raised

A large raptor, the bald eagle has a wingspread of about seven feet. Adults have a dark brown body and wings, white head and tail, and a yellow beak. Juveniles are mostly brown with white mottling on the body, tail, and undersides of wings. Adult plumage usually is obtained by the sixth year. In...

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An adult American black bear in a forest

In the East, nearly black; in the West, black to cinnamon, with white blaze on chest. A "blue" phase occurs near Yakutat Bay, Alaska, and a nearly white population on Gribble Island, British Columbia, and the neighboring mainland. Snout tan or grizzled; in profile straight or slightly convex. 3...

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A small, white breasted hawk and grey/black wings

Ferruginous Hawks are very large, broad-winged hawks with two distinguished types of plumage referred to as light morphs and dark morphs. Light morph Ferruginous Hawks are distinguishable by their white under parts with intermingled gray or brownish speckling, and a dark brownish V on the...

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Two large, ornate birds with pointed fail features, large white breast on a dry grassland with mountains in the distance

The Greater Sage-Grouse is a large grouse with a chunky, round body, small head, and long tail. Males change shape dramatically when they display, becoming almost spherical as they puff up their chest, droop their wings, and fan their tail into a starburst. Sage-Grouse are mottled gray-brown...

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The mountain lion is the largest cat in the park. It can easily be distinguished from the bobcat not only by its larger size, but also by its long tail. Also known as "panther" or "painter" in the southern Appalachians, this animal is generally tawny or yellowish-brown above and dull whitish to...
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A brown, white and tan bird of prey flying overhead in front of a blue sky

The Prairie Falcon is a large, light brown-colored falcon ranging from around 37-47 cm in length. Some distinguishing characteristics of this bird include a large, dark eye, square shaped head, a dark ear patch, and a white area around the eye. The dark colored feathers on the underside of the...

The peregrine falcon belongs to the genus "Falco," which is characterized by long pointed wings. In fact the word Falco is derived from "falx," the Latin word for sickle, in reference to the distinct sickle-shaped silhouette of the peregrine falcon’s extended wings in flight. Also unique to this...
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A gray wolf lays in the the snow-covered grass

ESA status: endangered (February 2022) except Northern Rocky Mtn of ID, MT, WY; eastern 1/3 of OR, WA; north-central UT; threatened (Dec 2014) in MN. 

The gray wolf, being a keystone predator, is an integral component of the...

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The wolverine is the largest terrestrial member of the family Mustelidae, with adult males weighing 12 to 18 kilograms (kg) (26 to 40 pounds (lb)) and adult females weighing 8 to 12 kg (17 to 26 lb) (Banci 1994). It resembles a small bear with a bushy tail. It has a round, broad head; short,...
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Trumpeter swan and young swimming in Pablo day use pond

The trumpeter swan is a majestic bird, with snowy white feathers; jet-black bill, feet, and legs; and 8-foot wingspan. At close range, a thin orange-red line can be seen on the lower part of the bill. The trumpeter is often confused with the smaller, more northerly tundra swan, especially where...

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