Whales are a widely distributed and diverse group of fully aquatic placental marine mammals. They are an informal grouping within the infraorder Cetacea, ...
Whales are marine mammals, members of the cetacea order which also includes dolphins and porpoises. Some whales have teeth while others have baleen, ...
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At the top of the food chain, whales are vital to the health of the marine environment but 7 out of the 13 great whale species are endangered or vulnerable. Learn ...
Whales belong to the order cetacea, which includes whales, dolphins and porpoises. Whales are divided into two suborders: baleen and toothed whales.
Whales are large aquatic mammals that breathe air through blowhole(s) into lungs (unlike fish which breathe using gills). They live their entire lives in water.
From Middle English whale, from Old English hwæl (“whale”), from Proto- Germanic *hwalaz (“whale”) (compare German Wal, Danish and Norwegian Bokmål ...