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Extinction Countdown

Giant Otters Damned by Giant Hydroelectric Dams

giant river otter

Mathematically speaking, the creation of the massive Balbina Hydroelectric Dam in Brazil should have been a boon to the giant river otters (Pteronura brasiliensis) that live in the area. The dam, which went online in 1989, created a reservoir more than 443,000 hectares in size. As the land behind the dam flooded, more than 3,500 [...]

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