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Discovery of a new sensory organ in rorqual whales

Mickeroo · 2012-06-11 12:54:08

Rorqual whales are the largest whales in the Baleen family. A new sensory organ has been found which co-ordinates their method of lunge feeding. Little was previously known about the co-ordination needed to carry out the lunge which is a highly dynamic move. source:…

11-06-2012 12:54pm

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Mickeroo

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Rorqual whales are the largest whales in the Baleen family. A new sensory organ has been found which co-ordinates their method of lunge feeding. Little was previously known about the co-ordination needed to carry out the lunge which is a highly dynamic move.

Comprising a node of nerves, the organ orchestrates dramatic changes in jaw position that are essential for “lunge” feeding by the rorqual family of whales, Earth’s biggest vertebrates.

These whales plunge into banks of krill, gulping up tonnes of water at one go and filtering it in seconds to get the tiny crustaceans needed for food.

A 50-tonne fin whale, the second-longest whale on the planet, can swoosh through 80 tonnes of water in one operation, netting 10 kilos (22 pounds) of krill in the process.

Read more: Scientists find new sensory organ in whales - Latest - New Straits Times http://www.nst.com.my/latest/scientists-find-new-sensory-organ-in-whales-1.86970#ixzz1xUMmCBGX

source: http://www.nst.com.my/latest/scientists-find-new-sensory-organ-in-whales-1.86970

here's the original article in Nature: http://www.nature.com/nature/journal/v485/n7399/full/nature11135.html

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