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Mastodon
Mastodon, a large, extinct animal resembling the elephant and mammoth. The mastodon's molars (grinding teeth) had knobby crowns and long, distinct roots.
PREHISTORIC ANIMALS
While Mammoths and Saber Toothed Tigers died out long ago, modern mammals are increasingly at risk of extinction due to human intervention. Explore some species that are no longer with us.
Top 100 Dog Breeds
Meet the Top 100 Dog Breeds
What makes these breeds so special? Take a fun and expert look. Then find out which breed is best for you.
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MammothMammoth, an extinct animal related to and resembling the elephant. Mammoths were abundant during the Ice Age. See more »
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Mastodon
Mastodon, a large, extinct animal resembling the elephant and mammoth. The mastodon's molars (grinding teeth) had knobby crowns and long, distinct roots. See more »
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The Ultimate Saber-Tooth Cat Quiz
The saber-tooth cat is really an intriguing mixture of carnivores. Although we often refer to this now extinct animal as the saber-toothed tiger, it was really a combination of lion, tiger and bear. Take our quiz and learn about the distinctive features of a saber-tooth cat that made it strikingly similar to so many different animals. See more »
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Green Glossary: Lazarus Species
The green glossary explains lazarus species in this article. Learn all about lazarus species. See more »
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