There are two species of "pink" dolphins that are found in very different parts of the world.
The Amazon River dolphin inhabits the murky waters of the Amazon rainforest and other rivers in the region.
Adult Amazon River dolphins turn pink or pinkish-grey as they mature, with males being both bigger and pinker than females. Like all river dolphins, this species is endangered.
The other dolphin sometimes seem with a pink colouration is the Indo-Pacific humpback dolphin.
These dolphins are found in coastal waters across Asia. In most locations the dolphins are grey in colour (and white in China) but one famous group that inhabits the waters around Hong Kong are known for having a pale pink colouration.
These dolphins are also endangered and becoming increasingly rare.
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