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  2. Humpback Whale Accidentally Almost Swallows Seal in ... - AOL

    www.aol.com/humpback-whale-accidentally-almost...

    Humpback whales eat small fish and krill, NOT seals. While they have very large mouths, their throats are roughly the size of a grapefruit, so they can't swallow something as large as a seal ...

  3. Bubble-net feeding - Wikipedia

    en.wikipedia.org/wiki/Bubble-net_feeding

    Bubble-net feeding is a cooperative feeding method used by groups of humpback whales. This behavior is not instinctual, it is learned; not every population of humpbacks knows how to bubble net feed. [4] Humpback whales use vocalizations to coordinate and efficiently execute the bubble net so they all can feed. [4]

  4. Baleen - Wikipedia

    en.wikipedia.org/wiki/Baleen

    The whale then pushes the water out, and animals such as krill are filtered by the baleen and remain as a food source for the whale. Baleen is similar to bristles and consists of keratin, the same substance found in human fingernails, skin and hair. Baleen is a skin derivative. Some whales, such as the bowhead whale, have

  5. Marine food web - Wikipedia

    en.wikipedia.org/wiki/Marine_food_web

    Examples are swordfish, seals and gannets. Apex predators, such as orcas, which can consume seals, and shortfin mako sharks, which can consume swordfish, make up a fifth trophic level. Baleen whales can consume zooplankton and krill directly, leading to a food chain with only three or four trophic levels.

  6. Recent whale deaths highlight risks from Antarctica's ... - AOL

    www.aol.com/recent-whale-deaths-highlight-risks...

    Two humpback whales were found dead and another seriously injured this year in huge nets used to collect krill for fishmeal and omega-3 pills near Antarctica, The Associated Press has learned.

  7. Takeaways from AP's reporting on Antarctica's burgeoning ...

    www.aol.com/news/takeaways-aps-reporting...

    In 2021 and 2022, four humpback whales were entangled in one of Aker BioMarine’s nets. Researchers have also identified krill fishing and shrinking sea ice as threats to the reproductive rates ...

  8. Forage fish - Wikipedia

    en.wikipedia.org/wiki/Forage_fish

    The position that a fish occupies in a food web is called its trophic level (Greek trophē = food). The organisms it eats are at a lower trophic level, and the organisms that eat it are at a higher trophic level. Forage fish occupy middle levels in the food web, serving as a dominant prey to higher level fish, seabirds and mammals.

  9. Factory fishing in Antarctica for krill targets the ... - AOL

    www.aol.com/news/factory-fishing-antarctica...

    A U.S.-led coalition has been calling for more restrictions and marine reserves as krill’s vital role as food for other species and in removing large amounts of greenhouse gases from the ...