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The list of extinct cetaceans features the extinct genera and species of the order Cetacea. The cetaceans ( whales , dolphins and porpoises ) are descendants of land-living mammals, the even-toed ungulates .
By 1900, bowhead, gray, and right whales were nearly extinct, and whaling had declined. It revived with the invention of harpoons shot from cannons, explosive tips and factory ships, which allowed distant whaling. Whaling expanded in the northern hemisphere, then in the southern hemisphere.
The decline of global whale populations Blue whale populations have declined dramatically due to unregulated commercial whaling, putting them at risk of extinction.. Prior to the setting up of the IWC in 1946, unregulated whaling had depleted a number of whale populations to a significant extent, and several whales species were severely endangered.
Livyatan is an extinct genus of macroraptorial sperm whale containing one known species: L. melvillei.The genus name was inspired by the biblical sea monster Leviathan, and the species name by Herman Melville, the author of the famous novel Moby-Dick about a white bull sperm whale.
As many whales begin to leave their protected zones in search of warmer waters, boats should take extra precautions. The post The Latest Whale Species Facing Extinction and What’s NOT Being Done ...
Blue whales have returned to a part of the Indian Ocean where the species was once wiped out by whaling decades ago. Researchers in the Seychelles have captured footage of the marine mammals in ...
The pygmy right whale shares several characteristics with the right whales, with the exception of having a dorsal fin. Also, pygmy right whales' heads are no more than one quarter the size of their bodies, whereas the right whales' heads are about one-third the size of their bodies. [11] The pygmy right whale is the only extant member of its ...
The endangered dolphins, which can grow up to 20 feet (6.1 m) long and weigh up to 3,000 lbs (1,361 kg), resemble killer whales. Dozens of false killer whales stranded on remote Australian beach