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Pinnipeds have devised several ways to combat the cold. Notably, pinnipeds are chubby animals. In general, marine mammals are larger than mammals on land, an adaptation that minimizes the area of skin in contact with the water. Elephant seals and Walruses can weigh up to 4 tons, and even the smallest seals are notably rotund.
Dec 5, 2023 · Descended from land mammals, marine mammals are a unique group of animals that re-entered the ocean and evolved to depend on it. They come in a range of shapes and sizes, from flippered sea dwellers who never leave the water to hybrid creatures that can also move and spend time on land. Some are swimmers, others are divers, and a few are ...
This thorough revision of the classic Encyclopedia of Marine Mammals brings this authoritative book right up-to-date. Articles describe every species in detail, based on the very latest taxonomy, and a host of biological, ecological and sociological aspects relating to marine mammals. The latest information on the biology, ecology, anatomy ...
The term ‘marine mammals’ includes all mammals that live in either marine or freshwater environments and would be more correctly called aquatic mammals but they are almost always found in marine environments. Three distinct lineages of mammals have evolved to live in water: Cetacea – whales, dolphins and porpoises.
Jan 1, 2023 · Alongside general information about marine mammals, the book aims at generating awareness of the impact of litter and noise pollution on the marine environment using marine mammals as an example. Huge numbers of marine animals, including marine mammals, die every year from entanglement in fishing gear, by ingestion of litter or because of ...
Oct 4, 2022 · Marine mammals or cetaceans may be adversely affected by human activities including underwater noise and ship strikes. One such activity, ship strikes of cetaceans, is a growing concern with the increasing number, size, and speed of ships. Ship strikes can cause cuts; propeller gashes or severed tailstocks; fractured skulls, jaws, and vertebrae ...
Whales. Overview By Species. Whales are among the largest and oldest animals on Earth. They can be found in every ocean and range in size from the small dwarf sperm whale to the massive blue whale, the largest animal on the planet. Whales belong to a group of marine mammals called cetaceans. Marine mammals in the cetacean family include whales ...
