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Cetacean surfacing behaviour is a grouping of movement types that cetaceans make at the water's surface in addition to breathing. Cetaceans have developed and use surface behaviours for many functions such as display, feeding and communication.
Orca ("type C") spyhopping. When spyhopping, a whale rises and holds a vertical position partially out of the water, often exposing its entire rostrum and head. It is visually akin to a human treading water. Spyhopping is controlled and slow, and can last for minutes at a time if the whale is sufficiently inquisitive about whatever it is viewing.
The Institute of Cetacean Research was founded in 1987. It took over from the Whales Research Institute (founded in 1947), which grew out of the Nakabe Scientific Research Centre (founded in 1941). [1] The New Zealand-based spokesman for the group is the public relations agent, Glenn Inwood.
Cetacea (/ s ɪ ˈ t eɪ ʃ ə /; from Latin cetus 'whale', from Ancient Greek κῆτος () 'huge fish, sea monster') is an infraorder of aquatic mammals belonging to the order Artiodactyla that includes whales, dolphins and porpoises.
At around 600 miles wide and up to 6,000 meters (nearly four miles) deep, the Drake is objectively a vast body of water. To us, that is. To the planet as a whole, less so.
The first was shown at Barnum's Museum in New York City in 1861. [112] For most of the 20th century, Canada was the predominant source. [ 113 ] They were taken from the St. Lawrence River estuary until the late 1960s, after which they were predominantly taken from the Churchill River estuary until capture was banned in 1992. [ 113 ]
This page was last edited on 17 May 2015, at 07:31 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply ...
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