News tagged with mass extinction

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The unknown crocodiles

Just a few years ago, crocodilians – crocodiles, alligators and their less-known relatives – were mostly thought of as slow, lazy, and outright stupid animals. You may have thought something like that ...

Nov 21, 2014
5 / 5 (12) 0

Has the Earth's sixth mass extinction already arrived?

With the steep decline in populations of many animal species, from frogs and fish to tigers, some scientists have warned that Earth is on the brink of a mass extinction like those that occurred only five times ...

Mar 02, 2011
4.3 / 5 (29) 55 | with audio podcast