River dolphin - Wikipedia
River dolphins are a polyphyletic group of fully aquatic mammals that live exclusively in freshwater or brackish water. They are an informal grouping of dolphins, which itself is a paraphyletic …
River dolphin | Types & Facts | Britannica
river dolphin, any of six species of small, usually freshwater aquatic mammals that are related to whales (order Cetacea). These dolphins are found in rivers of south-central Asia, China, and …
Amazon River Dolphin - Facts, Diet, Habitat & Pictures on
The Amazon River dolphin is a South American mammal, distributed across the drainage basins of the Orinoco and Amazon Rivers and primarily occurring in rivers and streams with slow …
River dolphins on the brink: Where the enigmatic river dolphins …
Discover why river dolphins are important, how they differ from marine dolphins, and the differences between the species are in our expert guide by the WWF.
Freshwater dolphin species and facts | Stories | WWF - World …
2022年4月14日 · Swimming through rivers in parts of South America and Asia is what one might consider an unexpected figure: the dolphin. It joins the ranks of the shark and the sea turtle as …
Amazon river dolphin - Wikipedia
The Amazon river dolphin (Inia geoffrensis), also known as the boto, bufeo or pink river dolphin, is a species of toothed whale endemic to South America and is classified in the family Iniidae.
Amazon River Dolphin (Pink Dolphins) | Species | WWF - World …
The Amazon river dolphin, also known as the pink river dolphin or boto, lives only in freshwater. It is found throughout much of the Amazon and Orinoco river basins in Bolivia, Brazil, Colombia, …
River dolphins - Whale & Dolphin Conservation USA
2022年5月10日 · River dolphins are among the most seriously endangered of all dolphins because they live in freshwater river systems, where space is far more limited than oceanic …
River Dolphins Are Truly Unique and Disappearing
2023年5月18日 · More than half a dozen species of river dolphins have been identified worldwide. Growing up to 350 pounds and nearly 9 feet long, the pink dolphins of the Amazon are the …
River Dolphins - WWF
There are only six extant species of river dolphins left in the world today and they are all endangered or critically endangered. This is because pollution, dams, shipping and bycatch …