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  2. Blowhole (anatomy) - Wikipedia

    en.wikipedia.org/wiki/Blowhole_(anatomy)

    Baleen whales have two blowholes positioned in a V-shape, while toothed whales have only one blowhole. [6] The blowhole of a sperm whale , a toothed whale, is located left of centre in the frontal area of the snout, and is actually its left nostril, while the right nostril lacks an opening to the surface and its nasal passage is otherwise well ...

  3. Baleen whale - Wikipedia

    en.wikipedia.org/wiki/Baleen_whale

    Baleen whales have two blowholes, as opposed to toothed whales which have one. These paired blowholes are longitudinal slits that converge anteriorly and widen posteriorly, which causes a V-shaped blow. They are surrounded by a fleshy ridge that keeps water away while the whale breathes. The septum that separates the blowholes has two plugs ...

  4. Evolution of cetaceans - Wikipedia

    en.wikipedia.org/wiki/Evolution_of_cetaceans

    Livyatan had a short and wide rostrum measuring 10 feet (3.0 m) across, which gave the whale the ability to inflict major damage on large struggling prey, such as other early whales. Species like these are collectively known as killer sperm whales or macroraptorial sperm whales .

  5. Toothed whale - Wikipedia

    en.wikipedia.org/wiki/Toothed_whale

    Though a properly harpooned sperm whale generally exhibited a fairly consistent pattern of trying to flee underwater to the point of exhaustion (at which point it would surface and offer no further resistance), it was not uncommon for bull whales to become enraged and turn to attack pursuing whaleboats on the surface, particularly if it had ...

  6. Gray whale spotted off Florida coast. Here's why the sighting ...

    www.aol.com/gray-whale-spotted-off-florida...

    Gray whales are more marbled than plain gray, with a relatively small, narrow head that has a distinctive arch between the blowhole and snout, according to the Whale and Dolphin Conservation USA.

  7. How are right whales in Cape Cod Bay studied? A day on the ...

    www.aol.com/whales-cape-cod-bay-studied...

    The center’s right whale ecology team was looking for North Atlantic right whales during a trip on Monday. In January, they had spotted the first of the rare cetaceans for the year in the bay.

  8. Cetacea - Wikipedia

    en.wikipedia.org/wiki/Cetacea

    Sperm whales have the largest brain mass of any animal on Earth, averaging 8,000 cm 3 (490 in 3) and 7.8 kg (17 lb) in mature males. [23] The brain to body mass ratio in some odontocetes, such as belugas and narwhals, is second only to humans. [24] In some whales, however, it is less than half that of humans: 0.9% versus 2.1%. [citation needed]

  9. Menopause ‘may explain why some female whales live ... - AOL

    www.aol.com/menopause-may-explain-why-female...

    Aside from humans, just five toothed whale species are known to go through this natural biological process. Menopause ‘may explain why some female whales live decades longer than others’ Skip ...