Graphics, quizzes and links to help students learn basic animal concepts. Includes protozoa and simple animals as well.

Quizzes, puzzles and problems about vertebrate animals. Different difficulty levels.

Perform dissections of a bullfrog and a fetal pig. Includes a glossary and message board.

Contains information about several types of animals ranging from mammals, birds, and even marine life.

Provides fact sheets, interactive quizzes, photographs, video clips, and teacher's guides.

Information on the many different animals of the world. Includes articles, stories, jigsaw puzzles and other activities.

Has lots of articles, pics and puzzles. Download pictures to color. Sponsored by the Smithsonian Friends of the National Zoo.

Has pictures of different kinds of animals, and explains how they are different than us.

Offers fun facts, e-cards and stories.

Provides facts and pictures for a variety of animals and their environments.