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Saturday, May 10, 2008

Whales: The Smallest, The Biggest, The Deadliest

May 4, 2008-May 10, 2008

The dwarf sperm whale, scientifically known as Kogia sima, is the world’s smallest whale. It has a length that exceeds up to 2.7 meters only and a weight that reaches about 250 kilograms. It is occasionally even smaller than bigger dolphins.

The blue whale (Balaenoptera musculus) is hailed as the biggest of all whales. It is also deemed to be the most enormous animal to ever have existed on Earth. It reaches up to an extreme length of 33 meters and weighs about 181 metric tons or even heavier than that.

The deadliest whale is believed to be the killer whale or the orca (short for its scientific name, Orcinus orca). It is a versatile and very opportunistic predator, hunting in packs for fishes, seals, sea lions and even large whales and sea birds. Additionally, it usually swallows its prey whole.

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