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  2. List of extinct cetaceans - Wikipedia

    en.wikipedia.org/wiki/List_of_extinct_cetaceans

    However, the Atlantic population of gray whales (Eschrichtius robustus) became extinct in the 18th century, and the baiji (or Chinese river dolphin, Lipotes vexillifer) was declared "functionally extinct" after an expedition in late 2006 failed to find any in the Yangtze River.

  3. Orca - Wikipedia

    en.wikipedia.org/wiki/Orca

    The orca (Orcinus orca), or killer whale, is a toothed whale and the largest member of the oceanic dolphin family. It is the only extant species in the genus Orcinus and is recognizable by its black-and-white patterned body. A cosmopolitan species, it is found in diverse marine environments, from Arctic to Antarctic regions to tropical seas.

  4. List of cetaceans - Wikipedia

    en.wikipedia.org/wiki/List_of_cetaceans

    The following is a list of currently existing (or, in the jargon of taxonomy) 'extant' species of the infraorder cetacea (for extinct cetacean species, see the list of extinct cetaceans). The list is organized taxonomically into parvorders, superfamilies when applicable, families, subfamilies when applicable, genus, and then species.

  5. The U.S. federal government has rescinded its proposal to strengthen regulations on boat speeds along the East Coast. Fewer vessels will be required to reduce their speed, which is likely to ...

  6. Gray Whales & 19 Other Marine Species That Could Go Extinct ...

    www.aol.com/gray-whales-19-other-marine...

    The beautiful Gray Whale has been extinct from the Atlantic Ocean since the 1700’s, but there are still estimated to be around 20,000 of these creatures swimming the Pacific Ocean. Nonetheless ...

  7. Orcinus - Wikipedia

    en.wikipedia.org/wiki/Orcinus

    The genus Orcinus was published by Leopold Fitzinger in 1860, [4] its type species is the orca named by Linnaeus in 1758 as Delphinus orca.Taxonomic arrangements of delphinids published by workers before and after Fitzinger, such as John Edward Gray as Orca in 1846 and Orca (Gladiator) in 1870, are recognized as synonyms of Orcinus.

  8. What an Orca’s 1,000-Mile Swim Really Means - AOL

    www.aol.com/orca-1-000-mile-swim-215311132.html

    One of the most compelling examples of animal grief she discusses is the case of Tahlequah, an orca whose “grief swim” in 2018, and now again in 2025, ...

  9. Orcinus citoniensis - Wikipedia

    en.wikipedia.org/wiki/Orcinus_citoniensis

    Orcinus citoniensis is an extinct species of orca identified in the Late Pliocene of Italy and the Early Pleistocene of England. It was smaller than the modern killer whale (O. orca), 4 m (13 ft) versus 7 to 10 m (23 to 33 ft), and had around 8 more teeth in its jaw.