Whale - Wikipedia
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. Dolphins and porpoises may be considered whales from a formal, cladistic perspective.
Are Whales Mammals? | History and Biology - Whale Facts
Yes, whales are mammals. However, they live in the ocean instead of on land. As a result, these large animals are referred to as marine mammals. The blue whale is the largest living mammal (and
Whale | Definition, Types, & Facts | Britannica
2024年12月18日 · 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.
Whales and Dolphins - Smithsonian Ocean
Whales are mammals which means that, like humans and other land mammals, they have three inner ear bones and hair, they breathe air, and the females produce milk through mammary glands and suckle their young.
Are whales mammals or fish? - Whale & Dolphin Conservation USA
Whales are not fish. They are marine mammals, as are dolphins and porpoises. They are warm-blooded and breathe air like humans.
Are whales mammals? What to know about the great big cetaceans - USA TODAY
2024年4月1日 · According to the Whale and Dolphin Conservation, all mammals have the following characteristics: Breathe air. Have hair or fur. Give birth to live young. Produce milk and feed it to offspring....
Are Whales Mammals? - A-Z Animals
2023年9月19日 · Whales are eutherian, or placental, mammals that give birth to live offspring. They have mammary glands, lactate, and nurse their young. Whales all have hair follicles, although most do not grow and retain hair.
Whales - NOAA Fisheries
Whales are among the largest and oldest animals on Earth and belong to a group of marine mammals called cetaceans. Learn more about the whale species that NOAA Fisheries works to protect and conserve.
Are Whales Fish or Mammals? - ThoughtCo
2019年1月27日 · Whales are cetaceans and fall into two categories: baleen (that eat plankton) and toothed (that eat penguins and fish). Mammals breathe air using lungs, bear live young and feed them using mammary glands, and regulate their own body temperature. They evolved from a four-legged terrestrial during the Eocene, 34-50 million years ago.
Whale facts and information - National Geographic
Whales are the largest animals on Earth and they live in every ocean. The massive mammals range from the 600-pound dwarf sperm whale to the colossal blue whale, which can weigh more than...