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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

    Dolphins, however, tend to remain horizontal, either on their belly or their back, and make the slap via a jerky whole body movement. All species are likely to slap several times in a single session. Like breaching, lobtailing is common amongst active cetacean species such as sperm, humpback, right and grey whales .

  4. Physiology of underwater diving - Wikipedia

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

    The physiology of underwater diving is the physiological adaptations to diving of air-breathing vertebrates that have returned to the ocean from terrestrial lineages. They are a diverse group that include sea snakes, sea turtles, the marine iguana, saltwater crocodiles, penguins, pinnipeds, cetaceans, sea otters, manatees and dugongs.

  5. Mediterranean cetaceans - Wikipedia

    en.wikipedia.org/wiki/Mediterranean_cetaceans

    Risso's dolphin, or Grampus (Grampus griseus), is a large species, up to 4 m long and weighing 400 kg, characterized by a short beak, a rounded, angular head, a high dorsal fin (which can resemble that of an Orca) and, above all, a dark skin almost always streaked with long, light scars, which can turn older individuals completely white (the ...

  6. Cetacea - Wikipedia

    en.wikipedia.org/wiki/Cetacea

    The parvorder of Odontocetes – the toothed whales – include sperm whales, beaked whales, orcas, dolphins and porpoises. Generally their teeth have evolved to catch fish, squid or other marine invertebrates, not for chewing them, so prey is swallowed whole. Teeth are shaped like cones (dolphins and sperm whales), spades , pegs , tusks or ...

  7. 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.

  8. 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 ...

  9. These Four People Were Faced with Death and Lived to Tell ...

    www.aol.com/four-people-were-faced-death...

    The post These Four People Were Faced with Death and Lived to Tell Their Stories appeared first on Reader's Digest. ... dolphins, and about 20 whales feeding on silverfish. We were in awe watching ...