<p>Amazon dolphins (Inia geoffrensis) bear little resemblance to our beloved Flipper. How'd they get to the Amazon—and why are the males pink?</p>
Amazon dolphins (Inia geoffrensis) bear little resemblance to our beloved Flipper. How'd they get to the Amazon—and why are the males pink?
River Spirits
Tracking prey deep in the forest, freshwater dolphins make the most of the Amazon’s prodigious annual flood.
This story appears in the June 2009 issue of National Geographic magazine.
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