This drawing shows the possible appearance of Megalosaurus, a dinosaur from the middle Jurassic Period (around 166 million years ago). Megalosaurus was a large Theropod and the first dinosaur to be formally named by the scientific...

This CGI drawing shows the possible appearance of Spinosaurus, a dinosaur from the Cretaceous Period (around 100 million years ago). With huge spines growing from its back and the biggest size of any meat eating (carnivorous) dinosaur,...

This picture shows a scale size comparison between a Spinosaurus and a human. The Spinosaurus was the largest meat eating (carnivorous) dinosaur of all time, weighing anywhere between 7 and 20 tons and possibly reaching up to 17 metres...

A nicely illustrated and informative site on dinosaurs from the Cambrian period until the Quaternary period.

Find out how your eyes work and try an experiment involving a cartoon flip book.

This site from the National Zoological Park provides extensive information about many types of animals. Just click on the category you need. Includes pictures and live web cams.

[Free Registration/Login Required] This flipchart focuses on how plants and animals get energy and different habitats.

A very informative site that discusses food chains and webs in detail. Not too complicated and fairly easy to understand, it also includes some pictures.

This BBC webpage contains a detailed fact sheet and several colorful photos of the wildcat. Related articles can be found on this site as well.

How would you define an ecosystem? Check out this educational resource to learn more about the living and nonliving parts of different ecosystems.

Fun and interesting illustrated information on cats including appearance, diet, and habitat,

Discover interesting facts about jaguars including characteristics, diet, and conservation status.

Find out the physical characteristics, life span, living habitats, and other interesting facts of grizzly bears.

Amur tigers are also known as the Siberian tigers. Use this resource to discover more interesting facts about the largest living feline.

African lions are the only cats known to live in groups. Use this resource to learn why lions roar and other interesting facts.

Discover fun facts and learn about the habitat, range, appearance, diet, and conservation status of the California sea lion.

Meet the Amur leopard and discover facts about its behavior, eating habits, range, conservation status, and other unique facts.

Meet the river otter and discover details about its behavior, eating habits, range, conservation status, and other unique facts.

Meet the California sea lion and discover details about its behavior, eating habits, range, conservation status, and other unique facts.

Meet the southern sea otter to discover details about its behavior, eating habits, range, conservation status, and other unique facts.

Meet the lionfish and discover details about its behavior, eating habits, range, conservation status, and other unique facts.

Meet the bobcat and discover details about its behavior, eating habits, range, conservation status, and other unique facts.

Meet the Malayan tiger and discover details about its behavior, eating habits, range, conservation status, and other unique facts.

Meet the cougar and discover details about its behavior, eating habits, range, conservation status, and other unique facts.