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21 June 2017

Every year, thousands of drowned wildebeest feed this African ecosystem [Science]

It’s one of the iconic sights of Africa: hundreds of thousands of wildebeest thundering across the Serengeti in an annual mass migration. But when the animals come to the Mara River, the scene can turn deadly. Unable to scramble up steep banks, thousands drown in a mass panic or get picked off by crocodiles. It turns out, however, that what’s bad for the wildebeest is good for the ecosystem, say Amanda Subalusky and Emma Rosi, ecologists at the Cary Institute of Ecosystem Studies in Millbrook, New York.

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21 June 2017

Regard de la systématique sur la biodiversité [SFE]

La Société Française d’Ecologie (SFE) vous propose ce regard de Philippe Grandcolas, Directeur de l’Institut de Systématique, Evolution et Biodiversité (ISYEB), sur la biodiversité.

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20 June 2017

Ancient oak’s youthful genome surprises biologists [Nature]

DNA of 234-year-old tree has few mutations, giving weight to idea that plants protect their stem cells.

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20 June 2017

Birds of all feathers work together to hunt when army ants march [Phys]

Army ants scare up a lot of food when they’re on the move, which makes following them valuable for predator birds. But instead of competing and chasing each other off from the ant "raids," as scientists had thought, birds actually give each other a heads up when the ants are marching, according to a new Drexel University study.

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20 June 2017

Snake fungal disease identified in wild British snakes for first time [ARC]

Europe’s wild snakes could face a growing threat from a fungal skin disease that has contributed to wild snake deaths in North America, according to an international collaborative study, led by conservation charity ZSL (Zoological Society of London) alongside partners including the U.S. Geological Survey. The new study is published in the journal Scientific Reports.

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