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・ Short Wave Live
・ Short Wave on a Cold Day
・ Short Woods Park Mound
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・ Short, Mississippi
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・ Short, sharp shock
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・ Short-arm inspection
・ Short-barreled rifle
Short-beaked common dolphin
・ Short-beaked echidna
・ Short-beaked garfish
・ Short-bearded melidectes
・ Short-billed canastero
・ Short-billed dowitcher
・ Short-billed honeycreeper
・ Short-billed leaftosser
・ Short-billed miner
・ Short-billed minivet
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・ Short-billed pipit
・ Short-chain acyl-CoA dehydrogenase
・ Short-chain acyl-coenzyme A dehydrogenase deficiency
・ Short-chain dehydrogenase


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Short-beaked common dolphin : ウィキペディア英語版
Short-beaked common dolphin

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''), occurring throughout warm-temperate and tropical oceans, including the Indian Ocean although in smaller quantities than other places they are found.〔 There are more short-beaked common dolphins than any other dolphin species in the warm-temperate portions of the Atlantic and Pacific Oceans. It is also found in the Caribbean and Mediterranean Seas. The short-beaked common dolphin is also abundant in the Black Sea, Gulf of Mexico, and Red Sea. They follow the gulf stream up to Norwegian waters. Seldom do any short-beaked dolphin venture near the Arctic.〔
== Physical characteristics ==

The short-beaked common dolphin is a medium-sized dolphin, smaller than the more widely known bottlenose dolphin. Adults vary in length from five to eight feet and range in mass from 100 to 136 kilograms or 220.26 to 299 pounds.〔 Males are generally longer and heavier,〔 with a sexual size dimorphism of 1.06. Mature males also have prominent postanal humps. 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. It has a long, thin rostrum with 50–60 small, sharp, interlocking teeth on each side of each jaw.〔(【引用サイトリンク】url=http://library.thinkquest.org/17963/genus-Delphinus.html )〕 Juvenile dolphins have a more muted appearance and become more distinguishable when they mature.〔(【引用サイトリンク】url=http://www.nmfs.noaa.gov/pr/species/mammals/cetaceans/commondolphin_shortbeaked.htm )

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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