Animal Science

Classifying Animals

Encyclopedia: Animals

Invasive Species

Animal Groups

Estimated Number of Animal and Plant Species

Calling All Animal Scientists

Animal Names: Male, Female, and Young

Hybrid Animals

Animal Hall of Fame

Animal Hall of Fame Slideshow

Leopard Species Discovered

Animals that Regenerate

Gestation, Incubation, and Longevity of Selected Animals

Animal Group Terminology

Disease-Carrying Animals

Poisonous Animals

Carbon Copies—Cloning

Cloning Milestones

What Do You Call Them?

Sorry, Wrong Animal

Animals Ways of Life