What is Pink Dolphin?

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About Pink Dolphin:

It is the Amazon River dolphin which is also known as the pink river dolphin or boto and lives only in freshwater.
It is found throughout much of the Amazon and Orinoco river basins in Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru, and Venezuela.
The river dolphin is smaller than other types of saltwater dolphins, and the species has excellent hearing.
Pink dolphins must live in warm, shallow water areas because they have very little blubber.
Unlike ocean-dwelling dolphins, pink dolphins have a hump instead of a dorsal fin.
Generally, these dolphins become more pink as they age, which has led to the species becoming known as the ‘pink dolphin.’
These animal species use echolocation which lets the animal determine the size and shape of any surrounding item or object.
Conservation status
IUCN: Endangered

Q1) What is the IUCN Red List?

The IUCN Red List of Threatened Species is the most authoritative, objective and comprehensive list of animals, plants and fungi that have been assessed for their risk of extinction.

Source: Two endangered pink dolphins rescued from shallow Colombia river