Blue Whale

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Blue Whale

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The blue whale is a marine mammal belonging to the baleen whales.

At up to 29.9 metres (98 ft) in length and with a maximum recorded weight

of 173 tonnes and probably reaching over 181 tonnes, it is the largest

animal known to have ever existed.

Since the introduction of the whaling ban, studies have examined

whether the conservation reliant global blue whale population is

increasing or remaining stable. In the Antarctic, best estimates

show an increase of 7.3% per year since the end of illegal Soviet whaling,

but numbers remain at under 1% of their original levels.

Recovery varies regionally, however, and the Eastern North Pacific blue whale

population (historically a relatively small proportion of the global total)

has rebounded to about 2,200 individuals, an estimated 97% of its pre-hunting

population.

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