A South American dolphin, Inia geoffrensis, that inhabits the Amazon and Orinoco rivers and fluctuates in color from bright pink to gray, depending on age and environmental factors such as sunlight, water temperature, and stress. Also called boto.
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Amazon River Dolphin — Taxobox name = Amazon River Dolphin status = vu trend = unknown status system = iucn2.3 image width = 250px image caption = An Amazon River Dolphin at Duisburg Zoo. image2 width = 250px image2 caption = Size comparison against an average human… … Wikipedia