Meet the red wolf, an endangered species of animal that was once very common, but in the past 50 year nearly became extinct!

Learn about the black bears of Yellowstone National Park.

Learn about the badgers that live in Yellowstone National Park.

Learn about the grizzly bears that live in Yellowstone National Park.

Learn about the amphibians and reptiles of Yellowstone National Park.

Learn a bit about the Brazilian rainbow boa with this cool science worksheet.

Learn about the California tiger salamander, which uses its toxic, bad smell as a defense.

Learn about the second fastest land mammal in the Western Hemisphere, the pronghorn antelope.

Learn about bison, some of biggest creatures in Yellowstone National Park, or anywhere else for that matter.

Learn about Red River Hogs in this series of animals facts sheets and coloring pages in one.

Learn about Yellowstone Park's lynx, the cats that put your average house cat to shame.

The narwhal is one unusual animal! Your child will learn about this horned sea creature through text and pictures.

Meet the beetle! Filling out this simple worksheet can help your 5th grader learn the anatomy of a beetle.

Color in the gold and red colors of this common grasshopper species and learn about insect orders with your child!

Wolves are an animal with a bit of rough past in Yellowstone National Park. Learn all about them!

Use clues to fill in the boxes in this crossword puzzle, and learn more about freshwater fish along the way.

Learn about fish, amphibians, birds, mammals, and reptiles with this colorful life science worksheet for first and second graders!

Learn more about a tide pool habitat with this life science worksheet for second and third graders!

In this animal-based life science worksheet, students will learn that animals inherit certain traits from their parents.

Kids learn important plant and animal cell vocabulary as they plug the words into their correct spots and complete the puzzle.

The olm is a blind salamander that lives in Europe. Kids will learn how pictures help illustrate concepts with this life science worksheet.

Learn all about the different jellyfish and then test your knowledge with the questions at the bottom of the page.

There's not much in the animal kingdom more interesting than tentacles with suckers! Learn about octopus anatomy with this worksheet.

These clever birds harden and disguise themselves as tree branches when threatened. Learn more and do some coloring with this worksheet.

How much do you know about the U.S. national bird? Learn all about the bald eagle with this fun, informative worksheet!

Kids find desert animals in this science word search. Animal habitat worksheets help students learn about life forms in different environments.

Animal lovers, get acquainted with a very unique species, the okapi! Read this info-sheet to learn about why this animal is endangered.

Too familiar with flies and mosquitoes? Learn about their insect order Diptera as your child colors this bug-lover's fun page.

Learn about the animal kingdom with this centipede anatomy worksheet. Fun fact: Centipedes have either 15 or 17 pairs of legs, but never 16!

Butterflies and moths may have very different colors, but they are from the same insect order! Learn about lepidoptera with a fun coloring page.