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whales    音标拼音: [w'elz] [hw'elz]

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  • Whale - Wikipedia
    Whales are a widely distributed and diverse group of fully aquatic placental marine mammals As an informal and colloquial grouping, they correspond to large members of the infraorder Cetacea, i e all cetaceans apart from dolphins and porpoises Dolphins and porpoises may be considered whales from a formal, cladistic perspective
  • Whale | Definition, Types, Facts | Britannica
    whale, any of the larger species of aquatic mammals belonging to the order Cetacea The term whale can be used in reference to any cetacean, including porpoises and dolphins, but in general it is applied to those more than 3 metres (10 feet) long
  • Types Of Whales: Pictures Facts On Every Living Whale Species
    Whales are marine mammals belonging to the group Cetacea, which also includes dolphins and porpoises Whales are known for their large size, with many whale species weighing several tonnes
  • Whale | Species | WWF - World Wildlife Fund
    Whales roam throughout all of the world's oceans, communicating with complex and mysterious sounds Their sheer size amazes us: the blue whale can reach lengths of more than 100 feet and weigh up to 200 tons—as much as 33 elephants Despite living in the water, whales breathe air
  • 19 Types of Whales - ThoughtCo
    There are nearly 90 species of whales, dolphins, and porpoises in the order Cetacea, which is divided into two suborders, the Odontocetes, or toothed whales, and the Mysticetes, or toothless baleen whales
  • Whale facts and information | National Geographic
    Whales are the largest animals on Earth and they live in every ocean The massive mammals range from the 600-pound dwarf sperm whale to the colossal blue whale, which can weigh more than 200 tons
  • Whales - meet the different species - Whale Dolphin Conservation USA
    Humpbacks, blue whales and fin whales are gulpers; their throats are expandable and enable them to take enormous mouthfuls of seawater and sieve out their prey; gray whales are bottom feeders and sift prey from mouthfuls of mud on the seabed
  • Whales and Dolphins - Smithsonian Ocean
    When we think of whales, the enormous ones that filter tiny plankton from seawater with their baleen-fringed upper jaw often come first to mind (like the right whale in the picture above) But cetaceans also include dolphins, porpoises and other toothed whales, and in total contain more than 80 different species
  • Whales: Facts about the largest animals on Earth - Live Science
    Whales are a group of mammals that live in oceans They include some of the largest animals on Earth The blue whale is the biggest animal that has ever existed Whales can be found in every
  • Whales - NOAA Fisheries
    Whales are among the largest and oldest animals on Earth and belong to a group of marine mammals called cetaceans Learn more about the whale species that NOAA Fisheries works to protect and conserve





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