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Difino
| • | | image = Bluewhale877.jpg| image_width = 250px| image_caption = The world's largest animal| regnum = Animalia| phylum = Chordata| classis = Mammalia| ordo = Cetacea| subordo = Mysticeti| familia = Balaenoptiidae| genus = Balaenoptera | species = B. musculus | binomial = Balaenoptera musculus | binomial_authority = (Linneus, 1758)| range_map = cetacea_range_map_Blue_Whale.PNG| range_map_width = 250px| range_map_caption = Blue Whale range}}
The Blue Whale (Balaenoptera musculus) is a marine mammal belonging to the suborder of baleen whales. Blue Whales are believed to be the largest animal ever to have lived, at up to 30 metres (100 feet) in length and 140 tonnes (150 short tons) or more in weight.
Blue Whales were abundant in most oceans around the world up until the beginning of the 20th century. For the first 40 years of that century they were hunted by whalers almost to extinction. Hunting of the species was outlawed by the international community in 1966. The current world population is between three and four thousand individuals, which are located in four (or possibly five) groups, the largest of which is in the North-East Pacific. There are two groups in the North Atlantic and one in Antarctic waters. Blue Whales found in the Indian Ocean may or may not be part of the Antarctic group.
Source: [wikipedia: blue whale]
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