River dolphin - Wikipedia
There are five extant species of river dolphins. River dolphins, alongside other cetaceans, belong to the clade Artiodactyla, with even-toed ungulates, and their closest living relatives the hippopotamuses, from which they diverged about 40 million years ago. …
River dolphin | Types & Facts | Britannica
River dolphin, any of six species of small, usually freshwater mammals that are related to whales. They inhabit rivers of south-central Asia, China, and South America and the coastal waters of Brazil, Argentina, and Uruguay and differ from other dolphins in …
Freshwater dolphin species and facts | Stories | WWF
2022年4月14日 · River dolphins act as indicators of river health in the basins where they live. If the dolphin population in a river is thriving, then the overall state of that fresh water system is also likely flourishing. But if that population is on the decline, then it’s considered a red flag for the ecosystem as a whole.
River dolphins worldwide
Explore this section for information on the remaining species of river dolphin that live in eight of the greatest river basins around the world.
River dolphins - Whale & Dolphin Conservation USA
2022年5月10日 · River dolphin facts. Five species currently recognised. Baiji (Yangtze River dolphin) is now probably extinct. Franciscana dolphin prefers coastal waters. Other species of dolphins may also have populations that inhabit rivers …
How Many Types Of River Dolphins Live In The World Today?
2019年2月26日 · How Many Types Of River Dolphins Live In The World Today? The Amazon river dolphin, also known as the "pink dolphin". River dolphins are cetaceans that live in freshwater or brackish water habitats. These dolphins are smaller in size than the marine species.
River dolphin - Simple English Wikipedia, the free encyclopedia
River dolphins are five species of dolphin which live in fresh water rivers and estuaries. Three species live in fresh water rivers. The La Plata Dolphin lives in salt water estuaries and the ocean. Indus river dolphin, Platanista indicus minor – Lives in Pakistan; National mammal of Pakistan.
River dolphins - Whale and Dolphin Conservation
2024年12月5日 · River dolphin facts. Five recognised species: Amazon River dolphin, Franciscana, Ganges river dolphin, Indus river dolphin and Yangtze River dolphin. Baiji (Yangtze River dolphin) is now extinct. Franciscana dolphin prefers coastal waters.
River Dolphin Species: Facts, Threats, and Conservation
2024年11月18日 · River dolphins, unlike their marine relatives, have evolved to adapt to life in rivers and estuaries. They are highly specialized species and many of them are in danger of extinction due to habitat loss, pollution and bycatch.
River dolphins and porpoises are ‘flagship’ species for their habitats — charismatic representatives of the biodiversity within the complex ecosystems they inhabit.