11 Fascinating New Species Found in the Amazon

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inia bolivienses photo
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Some species, now known to be unique, hid for years amongst more common relatives. The Bolivian river dolphin (Inia bolivienses) in one example.

For years, the dolphin was thought to be a subspecies of the more common Amazon river dolphin. Thanks to genetic testing, more than 1,000 Bolivian river dolphin have been identified—and are now used as an important indicator of river health.

SLIDESHOW: Dolphins, Magnificent Mammals

Photo credit: Fernando Trujillo

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