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Superfamily Inioidea (South American river dolphins) 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.
21 de jun. de 2016 · A blue whale's heart is the size of a small car! Learn more amazing facts about the blue whale in this video from National Geographic Kids. Subscribe for mo...
27 de ago. de 2017 · Blue whales are the largest animals to have ever existed. Learn why they're larger than any land animal and why they were hunted for years, making them endan...
Learn about whales, the largest animals on Earth, and their types, calls, and threats. Find out how whales feed, communicate, and migrate across the oceans.
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.
21 de jun. de 2024 · Whale, any of the larger species of aquatic mammals belonging to the order Cetacea. Whales are the heaviest known animals, living or fossil, reaching a maximum size in the blue whale of perhaps more than 30 meters and 200 metric tons. They are distributed throughout the world’s oceans and seas.
Learn about whales, the mammals that live in the water and have evolved from land-dwelling ancestors. Discover their diversity, anatomy, behavior, threats and how to protect them.
