WEB4 dagen geleden · Teeth are shaped like cones (dolphins and sperm whales), spades ( porpoises ), pegs ( belugas ), tusks ( narwhals) or variable (beaked whale males). Female beaked whales' teeth are …

WEB4 dagen geleden · Although the terms dolphin and porpoise are sometimes used interchangeably, porpoise usually refers to the Phocoenidae family, which have a shorter beak and spade-shaped teeth and differ in their …

WEB4 dagen geleden · A bottlenose dolphin attacks and kills a harbour porpoise at Chanonry Point, Scotland. Dolphins can exhibit altruistic behaviour toward other sea creatures. On Mahia Beach, New Zealand, …

WEB2 dagen geleden · The orca ( Orcinus orca ), or killer whale, is a toothed whale that is the largest member of the oceanic dolphin family. It is the only extant species in the genus Orcinus. Orcas are recognizable by their …

WEB4 dagen geleden · Marine mammal. A humpback whale ( Megaptera novaeangliae) A leopard seal ( Hydrurga leptonyx) Marine mammals are mammals that rely on marine (saltwater) ecosystems for their existence. …

WEB16 mei 2024 · porpoise, (family Phocoenidae), specifically, any of seven species of toothed whales distinguishable from dolphins by their more compact build, generally smaller size (maximum length about 2 metres, …

WEB1 dag geleden · The narwhal ( Monodon monoceros ), is a species of toothed whale, and the only member of the genus Monodon. Its closest living relative is the beluga whale, and a single case of interbreeding …