Polar Bear vs. Walrus

Chicken Soup for the Soul: Humane Heroes Volume I: Volume 1

Giant Otter vs. Caiman

Shark Life: True Stories About Sharks & the Sea

Snow Leopard vs. Wild Yak

Pomeranians

Praying Mantis vs. Black Widow Spider

In the Heart of the Sea (Young Readers Edition): The True Story of the Whaleship Essex

Zoology for Kids: Understanding and Working with Animals, with 21 Activities

Nile Crocodile vs. Hippopotamus

Anacondas

King Cobra vs. Mongoose

Sharks

Dingo vs. Kangaroo

Where Is the Great Barrier Reef?

Pilot Whales

Reptiles

Penguin

Where Are the Galapagos Islands?

Catfish