Boto

The boto is the largest river dolphin, weighing up to 180 kg (400 lb) with a length up to 2.6 m (8.5'). Most adult botos are pink, although some have a darker back or are partially gray.

BOTO
The boto, (Inia geoffrensis) is also known as the Amazon River Dolphin, pink dolphin, and pink porpoise; it is the largest river dolphin.

Boto,
Bouto,
Pink dolphin,
Pink river dolphin
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Boto (Inia geoffrensis)
Aniba (Aniba rosaeodora)
Wattled curassow (Crax globulosa)
South American coati (Nasua nasua)
Cedar (Cedrela fissilis)
Mountain paca (Cuniculus taczanowskii)
Military macaw (Ara militaris) ...

boto (Amazon river dolphin) Inia geoffrensis, South America
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franciscana (La Plata river dolphin) Pontoporia blainvillei, South America ...

Boto is the internationally-recognized common name of Inia geoffrensis, but other common names include the Amazon River dolphin, bufeo, bufeo colorado, tonina, delfin rosado, and pink dolphin. (da Silva, 2002) ...

ACS boto (Amazon River Dolphin) Cetacean Fact Sheet - American Cetacean Society
Jefferson, T.A., S. Leatherwood, and M.A. Webber, FAO species identification guide, Marine mammals of the world, Rome, FAO. 1993. 320 p. 587 figs.

So, while the boto currently seems more abundant, and more fortunate, than many other rainforest animals, it is likely that in the not-too-distant future the question, "are pink dolphins endangered?

Boto, Alberto; Rubolini, Diego; Viganò, Andrea & Guenzani, Walter (1999): Paradoxornis alphonsianus: una nuova specie naturalizzata per l'Italia ["P. alphonsianus: a new naturalized species in Italy"]. Quaderni di Birdwatching 1(1).

A: As far as I can tell, the dolphin in your area is Inia geoffrensis (Boto, Amazon River, Pink Porpoise, or Pink dolphin. This species feeds on crustaceans, catfish and small freshwater fish. The ICUN lists this species as "vulnerable".

Also known as the pink river dolphin or boto, the Amazon river dolphin can only live in freshwater. It is found throughout much of the Amazon and Orinoco River Basins in Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru, and Venezuela.

The Amazon river dolphin (Boto or Pink river dolphin) is found in the Amazon river and the joining rivers, with the Amazon river dolphin being the largest species of freshwater dolphin.

Pink River Dolphin (Inia geoffrensis)
(aka Amazon River Dolphin, Boto, Bouto)
The Pink River Dolphin is one of five species of river dolphins worldwide that live in mainly muddy river systems.

This dolphin is among the four "obligate" freshwater dolphins found in the world - the other three are the baiji found in the Yangtze river in China, the bhulan of the Indus in Pakistan and the boto of the Amazon River in Latin America.

All but five of the 34 dolphin species live in tropical and temperate oceans. Five species that live in rivers: baiji (Chinese River dolphin), boto (Amazon River dolphin), franciscana (La Plata River dolphin), ...

See also: Dolphin, Whale, Sea Lion, Porpoise, Squid