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1 giorno fa · Marine mammals are mammals that rely on marine (saltwater) ecosystems for their existence. They include animals such as cetaceans ( whales, dolphins and porpoises ), pinnipeds ( seals, sea lions and walruses ), sirenians ( manatees and dugongs ), sea otters and polar bears. They are an informal group, unified only by their reliance on marine ...
5 giorni fa · The subphylum is one of the best known of all groups of animals. Its members include the classes Agnatha, Chondrichthyes, and Osteichthyes (all fishes); Amphibia (amphibians); Reptilia (reptiles); Aves (birds); and Mammalia (mammals). General features
1 giorno fa · Bear, any of eight species of large short-tailed carnivores found in the Americas, Europe, and Asia. The sun bear is the smallest, often weighing less than 50 kg (110 pounds). The largest bear, and the largest land carnivore, is either the polar bear or the Kodiak bear; either can weigh up to 720 kg (1,600 pounds).
3 giorni fa · With his latest series Mammals having recently aired its final episode, Sir David Attenborough has extended his records for the longest career as a TV presenter and longest career as a TV naturalist: 70 years 246 days. Sir David, 98, made his debut as a presenter on 2 September 1953 on a BBC Children's Television show called Animal Disguises ...
3 giorni fa · As they swim and hunt, these massive marine mammals communicate by making a series of rapid clicks that sound like a combination of “Morse code and popcorn popping,” writes NPR’s Lauren Sommer.
1 giorno fa · This article records new taxa of fossil mammals of every kind that are scheduled to be described during the year 2024, as well as other significant discoveries and events related to paleontology of mammals that are scheduled to occur in the year 2024.
3 giorni fa · Milk is a white liquid food produced by the mammary glands of mammals and the caecilian Siphonops annulatus. It is the primary source of nutrition for young mammals (including breastfed human infants) before they are able to digest solid food. [2]
