Describes roundworm characteristics, including their classification, habitat, reproduction, infection of humans and pets, and how they are transmitted to other hosts. Includes some examples and the diseases they cause.

Wolves are closely related to coyotes, jackals, foxes, and the dogs you see romping in your neighborhood park. Wolves are predators who live and hunt in packs. They are well known for their eerie howling and their intelligence. This...

The word "manta" means blanket in Spanish--and the Manta ray gets its name from its blanketlike appearance in the water. Learn all about their life cycle and habitat in text and pictures.

Discover fun facts and learn about the appearance, diet, breeding, habitat, behavior, and conservation status of the Caribbean flamingo.

Learn fascinating facts about the habitat, behavior, physical characteristics, and diet of the African lion, and discover the threats that many of them face today.

Meet the red-ruffed lemur, discover fascinating facts, and learn about their physical characteristics, diet, habitat, behavior, and conservation status.

Meet the komodo dragon, discover fascinating facts, and learn about their physical characteristics, diet, habitat, behavior, and conservation status.

Meet the Sumatran tiger, discover fascinating facts, and learn about their physical characteristics, diet, habitat, behavior, and conservation status.

Learn fascinating facts about the habitat, behavior, physical characteristics, and diet of the snow leopard and discover the threats that many of these animals face today.

Learn fascinating facts about the habitat, behavior, physical characteristics, and diet of the black rhino and discover the threats that many of these animals face today.

[Free Registration/Login may be required to access all resource tools.] Through studying the past, students will explore extinction patterns and their causes and consider ways to protect biodiversity across the globe.

What are some of the cheetah's distinctive characteristics? Come and check out this resource featuring fun facts and information about the cheetah.

Learn about the natural history of the zebra in text and images, a relative of the horse that inhabits the Serengeti in East Africa and other parts of Africa.

Did you know that giraffes are vegetarians? You can find out some more interesting facts and information about giraffes when you visit this resource.

What bear is considered China's national treasure? This site features a brief description of the life of a panda bear.

Learn more about the arctic fox through this clear and concise site. This resource features photos, characteristics, behavior information and more about this fascinating mammal.

This site gives an in-depth description of a swan, including its behavior, appearance, reproduction, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.

This site gives an in-depth description of a turkey, including its behavior, appearance, reproduction, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.

This site gives an in-depth description of a vulture, including its behavior, appearance, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.

Birds can offer hints to the health of the planet as they are found everywhere, migrate to many new environments, and play a role in our culture with their vibrant shades and sounds. Identify specific ways we can learn about our own...

[Free Registration/Login may be required to access all resource tools.] Discusses characteristics of flatworms.

Take an interactive quiz over ecological problems affecting the environment. After completing the quiz, check your score, and then revisit any incorrect question for further review.

NOVA presents a slide show of orchids with brief descriptions of each of the 15 pictures. See the beauty of each orchid, who it was named for and where it lives.

This organization works to protect the snow leopard and to educate people about this endangered species.