There aren't many blue animals out there, but here's one that will be fun to color: the blue dart frog. Its bright color warns predators that it is poisonous.

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

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

Test your third grader's biology knowledge with this worksheet, which challenges him to separate invertebrates from animals with a backbone.

If your child loves animals, introduce her to a cool species of bird with this Northern Hawk Owl info sheet, complete with coloring and a crossword.

Guinea pigs are social animals that make great pets. Test your child's knowledge of these furry critters with this fun quiz.

Learn more about the animals in the swamp food chain, and find out how each living thing in a swamp ecosystem needs another to survive.

Did you know some people have little teacup pigs as pets? Learn all about these adorable animals with your child as she completes this fact-filled quiz.

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.

Did you know that invertebrates don't have backbones? Find out some different types of invertebrates with the clues in this crossword puzzle.

Learn the difference between behavioral and physical adaptations with this cut-and-paste worksheet for second and third graders!

Be a busy bee as you learn all about the different jobs honey bees have in their hives!

Determine which plants would survive in a pond with this second- and third-grade worksheet!

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

Ever wonder why zebras have so many stripes? Find out with this fun worksheet all about the zebra!

Don't believe a bird could catch a rattlesnake? Believe it. The greater roadrunner lives up to its name by running up to 20 miles per hour and hunting snakes.

Is it true that male seahorses get pregnant? Find out with this fun, fact filled worksheet, all about seahorses!

Did you know you're 1,000 times more likely to drown than you are to be bitten by a shark? This fun worksheet is jam-packed with fun facts about the shark!

How many teeth does an alligator have? Find out with this fun worksheet, dedicated to teaching you and your child all about alligators!

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

Did you know chameleons can sleep upside-down? Learn more about chameleons with this fun worksheet, jam-packed with fun facts and activities!

Did you know a baby kangaroo is called a joey? This fun worksheet is jam-packed with fun facts, a word search and trivia, all about the kangaroo!

Ever wonder what's inside a camel's hump? Find out with this fun worksheet! It's jam-packed with facts about camels.

How much do you know about man's best friend? This fun worksheet is jam-packed with fun facts about dogs!

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.

Did you know wolves are the largest members of the dog family? This fun worksheet is jam-packed with fun facts about the wolf!

Why did the fox cross the road? To look for the chicken! This fun worksheet is jam-packed with fun facts about foxes!

Did you know cougars can leap 20 feet from a sitting position? This fun worksheet is jam-packed with fun facts about the cougar!