Plants Can't Sit Still

Fossil by Fossil: Comparing Dinosaur Bones

Humpback Whales: Musical Migrating Mammals

Tooth by Tooth: Comparing Fangs, Tusks, and Chompers

African Elephants: Massive Tusked Mammals

Guess What Is Growing Inside This Egg

Night Creatures: Animals That Swoop, Crawl, and Creep while You Sleep

Eye by Eye: Comparing How Animals See

Grizzly Bears: Huge Hibernating Mammals

Marvelous Mammals

Gray Wolves: Howling Pack Mammals

Let's Look at Prairie Dogs

Siberian Tigers: Camouflaged Hunting Mammals

Baby Pandas

Mountain Gorillas: Powerful Forest Mammals

Crawling Cockroaches

Crow or Raven?

Chipmunks

Wild Animals

Can You Tell a Brachiosaurus from an Apatosaurus?