Blue whale – The largest mammal in the world

•29.9 metres in length

•Weighs 173 tons

•Can have various shades of bluish-grey

•Found in Indian Ocean and South pacific Ocean

•10,000 TO 25,000 blue whales worldwide today, estimation by IUCN

•Blue whales mostly feed on Krill, although it varies from ocean to ocean

•Can eat up to 40 million krill in a day

 

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