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Conservationists are pleased that the sei whale continues to be listed as endangered, but Japan says that the species has swelled in number from 9,000 in 1978 to about 28,000 in 2002, so its catch of 50 sei whales per year is safe and the classification of endangered should be reconsidered for the North Pacific population.
The family Balaenidae, the right whales, contains two genera and four species. All right whales have no ventral grooves; a distinctive head shape with a strongly arched, narrow rostrum, bowed lower jaw; lower lips that enfold the sides and front of the rostrum; and long, narrow, elastic baleen plates (up to nine times longer than wide) with fine baleen fringes.
Some cetaceans may forage with other kinds of animals, such as other species of whales or certain species of pinnipeds. [75] [76] Large whales, such as mysticetes, are not usually subject to predation, but smaller whales, such as monodontids or ziphiids, are. These species are preyed on by the orca.
Gray Whales & 19 Other Marine Species That Could Go Extinct by 2050. Jennifer Magid. June 28, 2024 at 10:15 AM. ... As one of the most endangered seal species in the world, these creatures have ...
Pitman, who has studied killer whales in Antarctica for over 10 years, said there's a similar divide between mammal- and fish-eating killer whales in those waters.
Orcas also prey on larger species such as sperm whales, grey whales, humpback whales and minke whales. [ 84 ] [ 40 ] On three separate occasions in 2019 orcas were recorded to have killed blue whales off the south coast of Western Australia, including an estimated 18–22-meter (59–72 ft) individual. [ 89 ]
North Atlantic right whales are critically endangered, and there are only 370 of them left in the world. ... The whales are North Atlantic right whales, a species that has garnered attention in ...
[128] [129] The protected status of North Atlantic blue whales was not recognized by Iceland until 1960. [130] In the United States, the species is protected under the Endangered Species Act. [66] Blue whales are formally classified as endangered under both the U.S. Endangered Species Act [131] and the IUCN Red List. [1]
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