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The beaked whales are the second-largest family of cetaceans after the oceanic dolphins (Delphinidae). Beaked whales were one of the first extant clades to diverge from the ancestral lineage. The earliest known beaked whale fossils date to the Miocene, about 15 million years ago. [15] [16]
Andrews' beaked whale: Mesoplodon bowdoini Andrews, 1908: DD: Unknown 1 t (1.1 short tons) Blainville's beaked whale: Mesoplodon densirostris Blainville, 1817: LC: Unknown Deraniyagala's beaked whale: Mesoplodon hotaula P. E. P. Deraniyagala, 1963: DD: Unknown Indian and South Pacific 4–5 m (13–16 ft) [cetacean needed] Gervais' beaked whale
The false killer whale has been known to interact non-aggressively with some dolphins: the common bottlenose dolphin, the Pacific white-sided dolphin (Lagenorhynchus obliquidens), the rough-toothed dolphin (Steno bredanensis), the pilot whales, the melon-headed whale, the pantropical spotted dolphin (Stenella attenuata), the pygmy killer whale ...
There are approximately 89 [8] living species split into two parvorders: Odontoceti or toothed whales (containing porpoises, dolphins, other predatory whales like the beluga and the sperm whale, and the poorly understood beaked whales) and the filter feeding Mysticeti or baleen whales (which includes species like the blue whale, the humpback ...
Cuvier's beaked whale (Ziphius cavirostris). The Cuvier's beaked whale, or Ziphius (Ziphius cavirostris), is a large species of beaked whale, measuring up to seven meters long and weighing seven tons, with a pointed, rather short beak (especially compared to mesoplodons), from which two prominent teeth protrude in males. [43]
Cuvier's beaked whale, goose-beaked whale, or ziphius (Ziphius cavirostris) is the most widely distributed of all beaked whales in the family Ziphiidae. [7] It is smaller than most baleen whales —and indeed the larger toothed cetaceans (like orca and sperm whales )—yet it is large among the beaked whales and smaller cetaceans, appearing ...
A pilot whale is more robust than most dolphins and has a distinctive large, bulbous melon. [4] Pilot whales' long, sickle-shaped flippers and tail stocks are flattened from side to side. [ 4 ] Male long-finned pilot whales develop more circular melons than females, [ 4 ] although this does not seem to be the case for short-finned pilot whales ...
Oceanic dolphins or Delphinidae are a widely distributed family of dolphins that live in the sea.Close to forty extant species are recognised. They include several big species whose common names contain "whale" rather than "dolphin", such as the Globicephalinae (round-headed whales, which include the false killer whale and pilot whale).