Yellowstone Animal Alphabet Book

A submerged view of a salamander looking up towards the sky
Blotched tiger salamander


A is for Amphibian

Amphibians (frogs, toads, and salamanders) are sensitive to pollution and changes in water. These sensitivities make amphibians valuable indicators of larger change like disease and climate change. Researchers monitor amphibian populations in Yellowstone.

A small calf nurses its mother while standing in a road in fog
Bison and calf

NPS / Neal Herbert

B is for Bison

Bison are the biggest land mammals Yellowstone and North America. Males weigh up to 2,000 pounds and females weigh up to 1,000 pounds. Even the biggest bison had to start as a little baby calf.

A coyote howls

NPS / Jim Peaco

C is for Coyote

Coyotes are often mistaken for wolves, but they are about one-third smaller. A coyote's coat can be tan to gray with some orange on its ears.

A female mule deer peers through trees and shrubs
Female mule deer

NPS / Neal Herbert

D is for Deer

The Greater Yellowstone Ecosystem is home to both mule deer and white-tailed deer. Mule deer, found only in the western United States, spend the summer in Yellowstone and migrate north of the park in the winter. White-tailed deer are the most common deer species in North America, but are scarce in Yellowstone.

An immature bald eagle sits on a branch over a body of water
Immature bald eagle

NPS / Neal Herbert

E is for Eagle

Bald eagles and golden eagles are two of twelve raptor species in Yellowstone. Young bald eagles do not have completely white heads and tails and can be mistaken for golden eagles.


More Pages

Select a set of letters to see photos of an animal whose name starts with that letter and to read a little bit about the animal:
  • ABCDE: Amphibian, Bison, Coyote, Deer, Eagle
  • FGHIJ: Fox, Grizzly Bear, Hare, Insect, Jackrabbit
  • KLMNO: Kestrel, Loon, Moose, Nutcracker, Otter
  • PQRST: Pronghorn, Thermus aQuaticus, Raven, Sheep, Trumpeter Swan
  • UVWXYZ: Uinta Ground Squirrel, Vole, Wolf, LynX, Yellowstone Cutthroat Trout, Zygogonium

More Information

Contact the Park

Mailing Address:

P.O. Box 168
Yellowstone National Park, WY 82190-0168


(307) 344-7381
Recorded information. For road and weather information, please dial 307-344-2117.

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