Children match animals to their ecosystems in this life sciences worksheet.

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

Read about Yellowstone's red foxes, some of the most cunning and smart animals around.

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

Test your little nature-lover's knowledge about our feathery friends. Can she figure out which bird fits each description?

Think toads and frogs are the same? Think again! Check out this breakdown of the differences between the two, complete with a quiz to check your new knowledge.

Learn about the great horned owl of Yellowstone National Park, a bird so big and mean that it has the nickname, "tiger owl."

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

Ever wonder what's inside a camel's hump? Your child will become familiar with animals that live in the desert with this fun activity sheet!

If you're looking to color a chimpanzee, you won't find a coloring page better than this one. Learn some facts about these animals while you're at it.

Jaguars eat deer? Wow. Alligators, too? Are you kidding? What don't they eat? There's way more to learn about these intriguing eaters in this cool worksheet.

Do you know what's the largest parrot in Africa? It's the African grey parrot! Learn about this blabbering bird and give the image some color.

Read about the small population of huge moose in Yellowstone National Park.

Don't be crabby! This worksheets introduces your child to a fascinating crustacean. Fill in the anatomy of a crab using the numbers in the word bank.

Try out this simple worksheet diagramming the anatomy of a shrimp. Big words, small sea creature.

Which animals can live happily alongside humans? With this word search, match up game, fun facts, your child will learn more about urban animal habitats.

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

Can your child name 10 animals that make their home in the mountains? After completing this worksheet, he'll know all about mountain habitats!

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

Learn a little bit about green tree frogs (like that they sleep on the underside of leaves!) and then color in this scene of them at the zoo.

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

In this worksheet, children practice identifying animals of North America by their tracks.

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

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

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

Try this worksheet diagramming a snail anatomy. It takes a snail over two minutes to travel 12 inches, but your 5th grader can finish this worksheet in no time.

Learn about the badgers that live in Yellowstone National Park.

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

Lots of people like turtles, but how much do you really know about them? Get to know one of many types of turtles with this informational worksheet.

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