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Irrawaddy dolphins are more susceptible to human conflict than most other dolphins that live farther out in the ocean. Drowning in gillnets is the main threat to them throughout their range. Between 1995 and 2001, 38 deaths were reported and 74% died as a result of entanglement in gillnets with large mesh sizes. [ 34 ]
The Irrawaddy dolphin shares similar physical characteristics with the beluga whale, but its genetic makeup ties the Irrawaddy dolphin and the killer whale as close relatives of one another. [13] Irrawaddy dolphins have a slate blue to a slate gray color and their bodies can grow up to 180-275 centimeters in length. [14]
It closely resembles the Irrawaddy dolphin (of the same genus, Orcaella) and was not described as a separate species until 2005. The closest relative to the genus Orcaella is the killer whale, Orcinus orca. [citation needed] The Australian snubfin has three colors on its skin, while the Irrawaddy dolphin only has two. The skull and the fins ...
The newly resurfaced footage, originally captured in March 2016, shows an Amazon river dolphin, also known as botos, urinating into the air in Brazil’s Tocantins River.
A Dall's porpoise caught in a fishing net. Generally, cetacean bycatch is increasing. Most of the world's cetacean bycatch occurs in gillnet fisheries. [3] The mean annual bycatch in the U.S. alone from 1990 to 1999 was 6,215 marine mammals, with dolphins and porpoises being the primary cetaceans caught in gillnets. [3]
The proposed Sundarbans Cetacean Diversity Protected Area, [10] includes the coastal waters off Sundarbans that host critical habitats for endangered cetaceans; [11] resident groups of Bryde's whales, a newly rediscovered critical population of Irrawaddy dolphins, [12] Spinner dolphins, Ganges river dolphins, [13] and Chinese white dolphins.
In a rare video captured by a whale watching expedition off the coast of San Diego this week, a killer whale teaches its baby how to hunt by headbutting a dolphin, causing it to flip several times ...
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