Keystone Species that Live in the Mountains
Bioindicator Species: Polar Bears Matter
Let's Explore Science: Poop is Power
Shark Search: In Search of Blue Sharks
Keystone Species that Live in Deserts
Saving the Endangered Blue Whale
Bioindicator Species: Bees Matter
World's Weirdest Animals: Coconut Crabs
Wildlife at Risk: Endangered Rhinos
Keystone Species that Live in Grasslands
Keystone Species that Live in Ponds, Streams, & Wetlands
Bioindicator Species: Coral Reefs Matter
Superior Animal Senses: How Dolphins and Other Animals Use Sonar
Bioindicator Species: Monarch Butterflies Matter
World's Weirdest Animals: Star-Nosed Moles
Creatures We Can't Live Without: We Need Spiders
Surprising Science Experiments: A Kid's Book of Experiments with Animals