Bioindicator Species: Frogs Matter
Keystone Species that Live in the Mountains
Saving the Endangered American Bald Eagle
Superior Animal Senses: How Elephants and Other Animals Hear the Earth
How Have Animals Evolved and Adapted?
Animals of the Night: Big Cats After Dark
Saving the Endangered American Alligator
Wildlife at Risk: Endangered Tigers
Bioindicator Species: Monarch Butterflies Matter
Superior Animal Senses: How Pigeons and Other Animals Sense Magnetic Fields
How Animals Think and Feel: An Introduction to Non-Human Psychology