Short-beaked common dolphin and Talk:Kusatsu (train): Difference between pages
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| name = Short-beaked Common Dolphin<ref name=MSW3>{{MSW3 Cetacea|id=14300045}}</ref> |
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|image=Delphinus delphis with calf.jpg |
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| status = LC |
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| status_system = iucn3.1 |
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| status_ref =<ref name="iucn">{{IUCN2008|assessors=Hammond, P.S., Bearzi, G., Bjørge, A., Forney, K., Karczmarski, L., Kasuya, T., Perrin, W.F., Scott, M.D., Wang, J.Y., Wells, R.S. & Wilson, B.|year=2008|id=6336|title=Delphinus delphis|downloaded=7 October 2008}}</ref> |
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| image2_caption = Size comparison an average human |
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| regnum = [[Animal]]ia |
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| phylum = [[Chordate|Chordata]] |
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| classis = [[Mammal]]ia |
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| ordo = [[Cetacea]] |
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| familia = [[Delphinidae]] |
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| genus = '''''Delphinus''''' |
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| species = '''''D. delphis''''' |
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| binomial = ''Delphinus delphis'' |
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| binomial_authority = [[Carolus Linnaeus|Linnaeus]], 1758 |
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| range_map = cetacea_range_map_Short-beaked_Common_Dolphin.PNG |
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| range_map_caption = Short-beaked Common Dolphin range |
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}} |
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The '''Short-beaked Common Dolphin''' (''Delphinus delphis'') is a species of [[Common Dolphin]]. It has a larger range than the [[Long-beaked Common Dolphin]] (''D. capensis''), occuring throughout warm-temperate and tropical oceans, with the possible exception of the [[Indian Ocean]].<ref name=princeton>{{cite book|title=Whales, Dolphins and Other Marine Mammals of the World|author=Shirihai, H. & Jarrett, B.|year=2006|page=171–174|isbn=0-691-12757-3}}</ref> There are more Short-beaked Common Dolphins than any other dolphin species in the warm-temperate portions of the [[Atlantic Ocean|Atlantic]] and [[Pacific Ocean]]s.<ref name=encyc>{{cite book|title=Encyclopedia of Marine Mammals|author=Perrin, W.|chapter=Common Dolphins|editor=Perrin, W.; Wursig, B. and Thewissen, J.|page=245–248|year=2002|publisher=Academic Press|isbn=0-12-551340-2}}</ref> |
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==Physical characteristics== |
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The Short-beaked Common dolphin is a medium sized dolphin, smaller than the more popular bottlenose dolphin. Adults range between {{convert|1.6|and|2|m|ft|lk=on}}, long, and can weigh between {{convert|70|and|235|kg|lb|lk=on}}, although a range between {{convert|70|and|110|kg|lb|lk=on}} is more common.<ref name=princeton/> The color pattern on the body is unusual. The back is dark and the belly is white, while on each side is an [[hourglass]] pattern colored light grey, yellow or gold in front and dirty grey in back.<ref name=Audubon>{{cite book|title=Guide to Marine Mammals of the World|author=Reeves, Stewart, Clapham, Powell|page=388|id=ISBN 0-375-41141-0}}</ref> It has a long, thin rostrum with up to 50–60 small, sharp, interlocking teeth on each side of each jaw.<ref>{{cite web|title=The Common Dolphin|url=http://library.thinkquest.org/17963/genus-Delphinus.html|accessdate=2008-07-03}}</ref> |
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==Taxonomy== |
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The Short-beaked Common Dolphin is a member of [[common dolphin]] genus, ''Delphinus'' within the dolphin family, [[Delphinidae]]. Until the mid-1990's, the different forms within ''Delphinus'' were not recognized as separate species, but were all considered members of the species ''D. delphis''.<ref name=encyc/> Currently, there are two recognized species of ''Delphinus'' - the Short-beaked Common Dolphin and the Long-beaked Common Dolphin (''D. capensis'').<ref name=MSW3>{{MSW3 Cetacea|id=14300043}}</ref> The Short-beaked Common Dolphin is generally smaller than the Long-beaked Common Dolphin and has a shorter [[rostrun]]. |
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==Behavior== |
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Short-beaked Common Dolphins can live in aggregations of hundreds or even thousands of dolphins.<ref name=encyc/> They sometimes associate with other dolphin species, such as [[pilot whale]]s.<ref name=encyc/> They have also been observed [[bow riding]] on [[baleen whale]]s, and they also bow ride on boats.<ref name=encyc/> |
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===Diet=== |
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The Short-beaked Common Dolphin has a varied diet consisting of many species of fish and squid that live less than {{convert|200|m|ft|lk=on}} deep.<ref name=encyc/> |
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===Reproduction=== |
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The Short-beaked Common Dolphin has a gestation period of 10 to 11 months. |
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==References== |
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{{reflist}} |
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==External links== |
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*[http://www.wdcs.org: Whale and Dolphin Conservation Society] |
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{{cetaceaportal}} |
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{{commons|Delphinus delphis}} |
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{{wikispecies|Delphinus delphis}} |
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{{Cetacea|O.}} |
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[[Category:Oceanic dolphins]] |
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[[Category:Megafauna]] |
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Revision as of 01:09, 11 October 2008
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