Brazil's Atlantic Forest, home to the golden lion tamarin, was once a massive ecosystem stretching along the Brazilian coast. But centuries of human activity have encroached upon the forest, leaving the future of this tiny, lion-maned monkey in doubt.
Layers of wax in the marine mammals' ears can be read like tree rings, scientists say, recording a whale's age and also information about pollutants in the water the whale swam through. Wax from a blue whale that washed ashore in 2007 contained surprisingly high levels of DDT.
The marshy wetlands of the Camargue in southern France are rich in wildlife and folklore. But the region's most stunning icons roams free here: the Camargue bull, one of Europe's last two breeds of fighting bulls. The creatures are taunted and teased, respected and revered.
The gelada, found in Ethiopia, makes a gurgling noise that scientists say is close to human speech — at least in how much facial coordination it requires. One theory scientists are trying to test is if the monkey's vocal agility came from its tendency to hang with other geladas in large groups.
Planthoppers are champion jumpers - launching themselves upward, hundreds of times their own height, in just a couple milliseconds. They achieve this feat with the help of cog-like teeth on their legs — the first mechanical gear system ever found in nature.
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