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  2. Blowhole (anatomy) - Wikipedia

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

    The single blowhole of a bottlenose dolphin just before going under again The V-shaped double blowhole of a gray whale. In cetology, the study of whales and other cetaceans, a blowhole is the hole (or spiracle) at the top of the head through which the animal breathes air. In baleen whales, these are in pairs.

  3. Cetacean surfacing behaviour - Wikipedia

    en.wikipedia.org/wiki/Cetacean_surfacing_behaviour

    Humpback whale breach sequence. A breach or a lunge is a leap out of the water, also known as cresting. The distinction between the two is fairly arbitrary: cetacean researcher Hal Whitehead defines a breach as any leap in which at least 40% of the animal's body clears the water, and a lunge as a leap with less than 40% clearance. [2]

  4. Cetacea - Wikipedia

    en.wikipedia.org/wiki/Cetacea

    The southern right whale dolphin and the hourglass dolphin live only in the Southern Ocean. The narwhal and the beluga live only in the Arctic Ocean. Sowerby's beaked whale and the Clymene dolphin exist only in the Atlantic and the Pacific white-sided dolphin and the northern straight dolphin live only in the North Pacific. [citation needed]

  5. Wild dolphins off US Southeast coast found with microplastics ...

    www.aol.com/scientists-first-evidence-dolphins...

    Scientists found microplastics in the exhaled breath of 11 dolphins, according to a new study. A wild bottlenose dolphin receives a health assessment in Louisiana's Barataria Bay, in 2018.

  6. Physiology of underwater diving - Wikipedia

    en.wikipedia.org/wiki/Physiology_of_underwater...

    [28] [12] Between dives, the sperm whale surfaces to breathe for about eight minutes before diving again. [29] Odontoceti (toothed whales) breathe air at the surface through a single, S-shaped blowhole, which is extremely skewed to the left. Sperm whales spout (breathe) 3–5 times per minute at rest, increasing to 6–7 times per minute after ...

  7. Cetology - Wikipedia

    en.wikipedia.org/wiki/Cetology

    A researcher fires a biopsy dart at an orca.The dart will remove a small piece of the whale's skin and bounce harmlessly off the animal. Cetology (from Greek κῆτος, kētos, "whale"; and -λογία, -logia) or whalelore (also known as whaleology) is the branch of marine mammal science that studies the approximately eighty species of whales, dolphins, and porpoises in the scientific ...

  8. Human impact on ocean increasing pressure on dolphins and ...

    www.aol.com/human-impact-ocean-increasing...

    The UK whale and dolphin conservation charity Orca recorded 55,604 whales and dolphins in oceans worldwide in 2023 as part of a marine survey covering 330,000 kilometres with the support of ...

  9. Melon (cetacean) - Wikipedia

    en.wikipedia.org/wiki/Melon_(cetacean)

    A starving dolphin has a robust melon even if the rest of its body is emaciated. [1] The lipids in the melon tend to be of lower molecular weight and more saturated than the blubber . The melons of the Delphinidae (dolphins) and Physeteroidea (sperm whales) have a significant amount of wax ester, whereas those of the Phocoenidae (porpoises) and ...