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3 days ago · The narwhal ( Monodon monoceros) is a species of toothed whale native to the Arctic. It is the only member of the genus Monodon, and one of two living representatives of the family Monodontidae. The narwhal has a similar build to the closely related beluga whale, with which it overlaps in range and can interbreed.
2 days ago · The Cetacea (whales, dolphins and porpoises) currently include 89 species that inhabit the world's oceans, lakes and rivers. Some are cosmopolitan, occurring in marine waters from pole to pole, while others are restricted by ecology and population status to small ranges of a few thousand square kilometers or less.
4 days ago · Killer whale, largest member of the dolphin family (Delphinidae). The killer whale is easy to identify by its size and its striking coloration: jet black on top and pure white below with a white patch behind each eye, another extending up each flank, and a variable ‘saddle patch’ just behind the dorsal fin.
2 days ago · Whales are fully aquatic, open-ocean animals: they can feed, mate, give birth, suckle and raise their young at sea. Whales range in size from the 2.6 metres (8.5 ft) and 135 kilograms (298 lb) dwarf sperm whale to the 29.9 metres (98 ft) and 190 tonnes (210 short tons) blue whale, which is the largest known animal that has ever lived.
4 days ago · Cetacea ( / sɪˈteɪʃə /; from Latin cetus ' whale ', from Ancient Greek κῆτος ( kêtos) ' huge fish, sea monster ') [3] is an infraorder of aquatic mammals belonging to the order Artiodactyla that includes whales, dolphins and porpoises.
5 days ago · North Atlantic right whales are one of the world’s most endangered large whale species, with only about 450 remaining. NOAA has developed regulations for boaters and fishermen to help protect these whales from vessel collisions and entanglements.
5 days ago · Fossils of a 46-million-year-old whale that walked on four legs on land, but swam with the undulating, up-and-down tail motion of a modern whale, have been discovered in Pakistan by paleontologist Philip D. Gingerich and researchers from the Geological Survey of Pakistan.
