In 2012, an 80 million-year-old dinosaur was discovered, and you can learn all about this 20-foot, 2-ton horned herbivore.

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

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.