Animal Quick Links Find animals by type. (AD) Buy the book! Fill your brain with cool facts. Research Reptiles! Get facts and watch videos about these cold-blooded creatures. Amphibians Frogs, toads, and more! GECKO Learn why they lick their eyes! Poison Dart Frog They're beautiful, but toxic! American Bullfrog MOOING FROG Watch more videos! Visit Nat Geo Kids on YouTube. Cool Videos! Watch playlists on YouTube. Watch the series! More Watch on Roku! Play all the videos!