The Bruce effect – why some pregnant monkeys abort when new males arrive

Not Exactly Rocket Science
By Ed Yong
Feb 23, 2012 7:00 PMMay 21, 2019 5:27 PM
Geladas
Geladas

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On a grassy Ethiopian plateau, revolution and death are underway. The plateau is home to a group of geladas – shaggy, grass-eating, and occasionally terrifyingrelatives of baboons. They’re like a cross between a cow, Animal from the Muppets, and your nightmares.

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