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seals
"相关结果约100,000,000个
Seals produce a number of vocalizations, notably the barks of California sea lions, the gong -like calls of walruses and the complex songs of Weddell seals. The meat, blubber and skin of pinnipeds have traditionally been used by indigenous peoples of the Arctic. Seals have been depicted in various cultures worldwide.
Seal, any of 32 species of web-footed aquatic mammals that live chiefly in cold seas and whose body shape, round at the middle and tapered at the ends, is adapted to swift and graceful swimming. There are two types of seals: the earless, or true, seals; and the eared seals, which comprise the sea lions and fur seals.
Seals range greatly in size, from the gargantuan southern elephant seal, which can weigh more than a pickup truck, to the relatively slender, 100-pound Baikal seal.
Learn about the different types of seal with this comprehensive guide, featuring pictures and facts on every living true seal species. Find out their habitats, diets, behaviors, and conservation statuses.
Learn about seals, their habitats, threats and conservation efforts by WWF. Find out how you can help protect seals and their ecosystems through adoption, action and education.
Celebrate International Day of the Seal by learning a few facts about these semi-aquatic marine mammals. Seals and sea lions belong to a group of marine mammals called pinnipeds, which means fin or flipper-footed. They are adapted for life in the ocean, but come on land for long periods of time. NOAA Fisheries and partners work to study, protect, and conserve these unique marine mammals and ...
Learn about seals, a group of 33 aquatic mammals with round bodies, blubber, and fins or ears. Find out where they live, how they mate, what they eat, and how IFAW protects them from hunting and climate change.
Learn about seals, a semi-aquatic group of mammals with finned feet and distinct build. Find out their physical features, distribution, diet, behavior, adaptations, reproduction and more.
Learn about the 33 living seal species in three families, including true seals, eared seals, and walruses. Find out their characteristics, habitats, threats, and fun facts.
Learn about seal, a carnivorous mammal that can live on land and in water. Find out the differences between true seals, eared seals, and walruses, and see photos of various seal species.