This open-source encyclopedia offers a detailed overview of the tiger. Content includes a look at this animal's physical description, method of killing, various subspecies, and the use of tigers in literature.

Provides images and a fact card about the sabre-toothed tiger, a prehistoric animal. Discusses where they lived, when and how they likely became extinct, what we know about its physical characteristics, diet, and reproduction.

This personal webpage is a brief description of the Thylacine, or Tasmanian Tiger.

The Thylacine, once an inhabitant of Australia is now extinct because of excessive hunting and competition with dingos and dogs. The Australian Museum provides general information on this interesting carnivore and photographs of the last...

Three opposing views about the disappearance of the "megafauna" in North America. What really happened to the wooly mammoth, mastadon, saber-toothed tiger, among other animals?

This site from the Canadian Museum of Nature, a natural history museum, provides short information blurbs and fun facts on over 240 different common animals categorized by type (mammals, fish, reptiles, invertebrates, amphibians,...

In this lesson, students investigate the moral, economic and ecological impacts of the extinction of various animal species. Students first assess how and why people support and refute actions that lead to the extinction of animals. They...