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In the end, more than 200 endangered dolphins perished in the waters around Tefé — a loss of approximately 20% of the lake’s population of Amazon pink river dolphins and 7% of tucuxi.
Male Amazon river dolphins are either solid pink or mottled grey/pink. The Amazon river dolphin is the largest river dolphin. Adult males reach a maximum length and weight of 2.55 metres (8.4 ft) (average 2.32 metres (7.6 ft)) and 185 kilograms (408 lb) (average 154 kilograms (340 lb)), while females reach a length and weight of 2.15 metres (7. ...
There are two types of freshwater dolphins found throughout the Amazon: the Amazon River dolphin – or “pink dolphins” due to their color – and the smaller tucuxi, Trujillo said.
The report highlights tumbling populations for creatures from nesting female hawksbill turtles in the Great Barrier Reef to Amazon pink river dolphins in Brazil.
Water temperatures In Tefé Lake reached a peak of to 39.1 °C (102.4 °F), leading to the death of about 150 tucuxi and pink river dolphins, both of which are endangered species. Long queues of rural residents formed on the banks of the Amazon River and its tributaries to gather humanitarian aid due to drought conditions killing crops and fish ...
The Amazon river dolphin (Inia geoffrensis) thrives in fresh water, is endemic to the Amazon basin, and is placed in the Endangered category of the IUCN. [1] The Araguaian river dolphin (I. araguaiaensis) is a newly identified species native to the Araguaia-Tocantins basin of Brazil. [2]
In fact, all extant river dolphin species are endangered or critically endangered, the IUCN says. Researchers discovered the Amazonian dolphin fossil in 2018, near the Napo River in Loreto, Peru.
Specific types of dolphins can be pink. [1] River dolphins are relatively small compared to other dolphins, having evolved to survive in warm, shallow water and strong river currents. They range in size from the 5-foot (1.5 m) long South Asian river dolphin to the 8-foot (2.4 m) and 220-pound (100 kg) Amazon river dolphin.