Inside Animals: Frogs and Other Amphibians
How Animals Adapt to Survive: Keeping Warm with Fur and Fat
Endangered Species: A Reference Handbook
Science Alliance: Animal Groups
A Day in an Ecosystem: 24 Hours in an Estuary
How Animals Adapt to Survive: Flying with Feathers and Wings
Thinking Critically: Animal Rights
A Day in an Ecosystem: 24 Hours in a Lake
Science Alliance: Heredity: Pass It On!
Let's Find Out! Marine Life: What Are Crustaceans?
Real Monsters: Giant Squid: Mysterious Monster of the Deep
Why Do Animals...: Why Do Animals Go There?
Real Monsters: Giant Centipede: Colossal Creeper of the Night
Animal Behaviors: Social Lives of Pigs
Back from Near Extinction: Giant Galapagos Tortoise
Why Do Animals...: Why Do Animals Live There?
Deadliest Predators: Deadliest Reptiles
Insects As...: Insects as Invaders
Back from Near Extinction: Bald Eagle