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The Atlantic humpback dolphin (Sousa teuszii) is among the poorest understood oceanic mammals.There is a lack of historical and present-day information about population size, habitats, ecology ...
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.
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. Three subspecies are currently recognized: I. g. geoffrensis (Amazon river dolphin), I. g. boliviensis ( Bolivian river dolphin ) and I. g. humboldtiana ...
As of 2022, the IUCN Red List of mammals lists both South Asian river dolphins as endangered. [18] [30] Two assessments in 2014 and 2015 estimated populations of 3,500 for the Ganges river dolphin and 1,500 for the Indus river dolphin. [19] [31] The Ganges species appears to be decreasing, while the Indus species may be increasing.
The discovery of 10 new baby dolphins on the coast of Cambodia was a relief and gave hope that the endangered Irrawaddy dolphins would make a comeback in population. Since the endangerment was evident, 66 guards have been posted on the coast of Cambodia to protect these dolphins, and only two deaths have been reported since these efforts.
The Indo-Pacific humpback dolphin (Sousa chinensis) [3] is a species of humpback dolphin inhabiting coastal waters of the eastern Indian and western Pacific Oceans. [4] This species is often referred to as the Chinese white dolphin in mainland China, Macau, Hong Kong, Singapore and Taiwan as a common name.
Hector's dolphin (Cephalorhynchus hectori) is one of four dolphin species belonging to the genus Cephalorhynchus.Hector's dolphin is the only cetacean endemic to New Zealand, and comprises two subspecies: C. h. hectori, the more numerous subspecies, also referred to as South Island Hector's dolphin; and the critically endangered Māui dolphin (C. h. maui), found off the West Coast of the North ...
Toxins from the bacteria in the water can easily wipe out a critically endangered species, like the Atlantic Humpback dolphin. Anthropogenic sound includes the hearing loss and ear tissue damage of the dolphins from noisy coastal development and shipping. The geographic location of Atlantic humpbacks depend on the water temperature and prey ...