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baleen    音标拼音: [bəl'in]
n. 鲸须

鲸须

baleen
n 1: a horny material from the upper jaws of certain whales;
used as the ribs of fans or as stays in corsets [synonym:
{whalebone}, {baleen}]

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  • Baleen - Wikipedia
    Baleen is a filter-feeding system inside the mouths of baleen whales To use baleen, the whale first opens its mouth underwater to take in water 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
  • What is baleen? - Whale Dolphin Conservation USA
    All baleen whales have baleen instead of teeth which they use to collect shrimp-like krill, plankton and small fish from the sea These bristly baleen plates filter, sift, sieve or trap the whales’ favourite prey from seawater inside their mouths Baleen is made out of keratin, the same protein that makes up our fingernails and hair
  • Baleen: From Whales to People | Smithsonian Ocean
    Baleen is the series of fringed plates hanging in right whales' mouths that are used to strain seawater for food Until the early 1900's, right whales were heavily hunted primarily for their fatty blubber, which could be burned in oil lamps or made into soap
  • Baleen whale | Filter-feeding, Migration, Conservation | Britannica
    baleen whale, (suborder Mysticeti), any cetacean possessing unique epidermal modifications of the mouth called baleen, which is used to filter food from water Baleen whales seek out concentrations of small planktonic animals
  • Baleen Whale - Types, Size, Diet, Teeth (Plates), and Evolution
    Baleen whales, also called whalebone whales, are a group of marine mammals distinguished by numerous keratinized plates called baleen hanging from their upper jaw They belong to the parvorder Mysticeti (hence also called mysticetes) under Cetacea, an infraorder comprising whales, dolphins, and porpoises
  • Baleen Whales – Discover-Nature
    When they open their mouths, a membrane made of keratin, called baleen, stretches from the upper to the lower jaw This allows water to flow through its porous structure while trapping fish and zooplankton, small sea creatures, by the mouthful
  • Baleen whale - New World Encyclopedia
    Baleen whales are the largest whales, and include the world's largest animal, the blue whale (Balaenoptera musculus) Filter feeders, they are generally seen as gentle animals, a sighting of which adds to the wonder of nature for humans
  • Baleen: A Unique Structure in the Animal Kingdom
    Obviously, teeth are similar to human teeth, but baleen is a very unique structure It is made of keratin, which is the same thing your hair and fingernails are made of As you can see in the picture below, a North Atlantic right whale has 200-300 of these baleen plates closely lined together
  • How Baleen Whales Work - HowStuffWorks
    Baleen whales have plates with coarse bristles for filter feeding Learn how baleen whales differ from toothed whales that hunt squid and other prey





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