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


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



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


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


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 and Information

  • Select a set of letters to see photos of 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

Did You Know?