• Thumbnail for Cetacean surfacing behaviour
    Cetacean surfacing behaviour is a grouping of movement types that cetaceans make at the water's surface in addition to breathing. Cetaceans have developed...
    42 KB (5,057 words) - 15:50, 24 April 2024
  • Thumbnail for Cetacea
    Cetacea (redirect from Cetaceans)
    migrate with the changing of the seasons. Cetaceans are famous for their high intelligence, complex social behaviour, and the enormous size of some of the...
    115 KB (12,787 words) - 22:13, 10 April 2024
  • Thumbnail for Whale
    Whale (redirect from Blackfish (cetaceans))
    they correspond to large members of the infraorder Cetacea, i.e. all cetaceans apart from dolphins and porpoises. Dolphins and porpoises may be considered...
    107 KB (12,015 words) - 17:56, 29 March 2024
  • Thumbnail for Cetacean intelligence
    Cetacean intelligence is the overall intelligence and derived cognitive ability of aquatic mammals belonging in the infraorder Cetacea (cetaceans), including...
    48 KB (5,257 words) - 21:21, 5 March 2024
  • Thumbnail for Evolution of cetaceans
    The evolution of cetaceans is thought to have begun in the Indian subcontinent from even-toed ungulates (Artiodactyla) 50 million years ago (mya) and...
    81 KB (9,674 words) - 21:47, 13 March 2024
  • Thumbnail for Orca
    Orca (redirect from Orca (Cetacean))
    synchronous surfacing. These behaviours do not occur randomly among individuals in a pod, providing evidence of "friendships". Like all cetaceans, orcas depend...
    139 KB (14,521 words) - 01:33, 29 April 2024
  • Thumbnail for Porpoise
    Porpoise (section Behaviour)
    Porpoises (/ˈpɔːrpəsɪz/) are small dolphin-like cetaceans classified under the family Phocoenidae. Although similar in appearance to dolphins, they are...
    54 KB (6,088 words) - 13:45, 18 March 2024
  • Thumbnail for Unihemispheric slow-wave sleep
    sleeping and surfacing to breathe of aquatic mammals including both dolphins and seals. Bottlenose dolphins are one specific species of cetaceans that have...
    25 KB (3,287 words) - 07:05, 4 April 2024
  • Thumbnail for Short-finned pilot whale
    Short-finned pilot whale (category Cetaceans of the Atlantic Ocean)
    pilot whale (Globicephala macrorhynchus) is one of the two species of cetaceans in the genus Globicephala, which it shares with the long-finned pilot...
    46 KB (5,725 words) - 16:57, 24 April 2024
  • Thumbnail for Indo-Pacific finless porpoise
    Indo-Pacific finless porpoise (category Cetaceans of the Indian Ocean)
    beneath the surface of the water and roll to one side when surfacing to breathe. This rolling movement disturbs very little water on the surface, so they...
    16 KB (1,632 words) - 01:01, 17 October 2023
  • Thumbnail for Dolphin
    dolphinfish. In common usage, the term whale is used only for the larger cetacean species, while the smaller ones with a beaked or longer nose are considered...
    134 KB (14,914 words) - 21:24, 1 April 2024
  • Thumbnail for Whippomorpha
    Whippomorpha or Cetancodonta is a group of artiodactyls that contains all living cetaceans (whales, dolphins, etc.) and hippopotamuses. All Whippomorphs are descendants...
    31 KB (3,250 words) - 13:04, 24 March 2024
  • Thumbnail for Toothed whale
    (also called odontocetes, systematic name Odontoceti) are a parvorder of cetaceans that includes dolphins, porpoises, and all other whales possessing teeth...
    85 KB (9,466 words) - 10:44, 16 April 2024
  • Thumbnail for South Asian river dolphin
    South Asian river dolphin (category Cetacean genera)
    Sinha, R. K.; Sinha, S.; Sharma, G.; Kedia, D. K. (2010). "Surfacing and diving behaviour of free-ranging Ganges river dolphin, Platanista gangetica gangetica"...
    34 KB (3,615 words) - 09:11, 20 March 2024
  • Thumbnail for Bryde's whale
    Bryde's whale (category Cetaceans of the Indian Ocean)
    ISBN 0-375-41141-0. Whales & Dolphins Guide to the Biology and Behaviour of Cetaceans, Maurizio Wurtz and Nadia Repetto. ISBN 1-84037-043-2. Encyclopedia...
    49 KB (5,759 words) - 01:50, 21 April 2024
  • Thumbnail for Beluga whale
    Beluga whale (category Cetaceans of the Arctic Ocean)
    whale (/bɪˈluːɡə/; Delphinapterus leucas) is an Arctic and sub-Arctic cetacean. It is one of two members of the family Monodontidae, along with the narwhal...
    195 KB (20,174 words) - 14:20, 18 April 2024
  • Thumbnail for Oceanic dolphin
    orca Pseudorca crassidens The Delphinidae are the most diverse of the cetacean families, with numerous variations between species. They range in size...
    57 KB (6,070 words) - 00:28, 27 April 2024
  • Thumbnail for Harbour porpoise
    Harbour porpoise (category Cetaceans of Europe)
    eight extant species of porpoise. It is one of the smallest species of cetacean. As its name implies, it stays close to coastal areas or river estuaries...
    35 KB (3,921 words) - 19:13, 13 April 2024
  • Thumbnail for Dusky dolphin
    Dusky dolphin (category Cetaceans of the Pacific Ocean)
    Whitehead, H.; and Mann, J. (2000). "Female reproductive strategies of cetaceans". In Cetacean Societies. Mann, J., editor. University of Chicago Press, pp. 219–246...
    41 KB (4,536 words) - 06:58, 17 March 2024
  • Thumbnail for Sperm whale
    susceptible to decompression sickness, and sudden surfacing could be lethal to them. Like that of all cetaceans, the spine of the sperm whale has reduced zygapophysial...
    148 KB (16,412 words) - 05:08, 19 April 2024
  • Thumbnail for Atlantic white-sided dolphin
    Atlantic white-sided dolphin (category Cetaceans of Europe)
    the standard hues of white, grey, black and blue seen on other pelagic cetaceans. Their body's coloration is well-demarcated, with the chin, throat and...
    27 KB (2,914 words) - 19:11, 16 March 2024
  • Thumbnail for Beaked whale
    than an hour at or near the surface breathing. Beaked whales are often seen surfacing synchronously, but asynchronous surfacing has also been observed. In...
    42 KB (4,454 words) - 00:07, 15 March 2024
  • Thumbnail for Sei whale
    Sei whale (category Cetaceans of the Arctic Ocean)
    Encyclopedia of Life Whales & Dolphins Guide to the Biology and Behaviour of Cetaceans, Maurizio Wurtz and Nadia Repetto. ISBN 1-84037-043-2 Encyclopedia...
    73 KB (8,525 words) - 10:54, 6 April 2024
  • Thumbnail for Hippopotamus
    even-toed ungulates, the closest living relatives of the hippopotamids are cetaceans (whales, dolphins, porpoises, etc.), from which they diverged about 55...
    76 KB (8,425 words) - 05:38, 29 April 2024
  • Cetaceans (or Cetacea, from the ancient Greek κῆτος, meaning 'sea monster') form an infra-order of marine mammals. In 2020, approximately 86 species of...
    108 KB (10,898 words) - 12:29, 23 April 2024
  • Thumbnail for Narwhal
    Narwhal (category Cetaceans of the Arctic Ocean)
    and has a gestation lasting an average of 15 months. Like most other cetaceans, the narwhal uses clicks, whistles and knocks to communicate with others...
    79 KB (8,132 words) - 11:20, 29 April 2024
  • Thumbnail for Mobbing (animal behavior)
    killer whales when the latter are attacking other species, including other cetacean species, seals, sea lions, and fish. There is a distinction though, between...
    23 KB (2,689 words) - 21:57, 16 April 2024
  • Thumbnail for Common dolphin
    Common dolphin (category Cetaceans of Europe)
    The common dolphin (Delphinus delphis) is the most abundant cetacean in the world, with a global population of about six million. Despite this fact and...
    39 KB (4,878 words) - 22:08, 1 February 2024
  • Thumbnail for Dall's porpoise
    Dall's porpoise (category Cetaceans of the Pacific Ocean)
    Dall's porpoises can be easily distinguished from other porpoises and cetacean species within their range. They have a wide, robust body, a comparatively...
    22 KB (2,286 words) - 15:57, 5 January 2024
  • Thumbnail for Non-reproductive sexual behavior in animals
    of the genitals using inanimate objects (found in several primates and cetaceans). Many birds masturbate by mounting and copulating with tufts of grass...
    53 KB (5,896 words) - 21:58, 24 April 2024