News tagged with dolphins

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Dolphins use double sonar

Dolphins and porpoises use echolocation for hunting and orientation. By sending out high-frequency sound, known as ultrasound, dolphins can use the echoes to determine what type of object the sound beam has ...

dateJun 07, 2011 in Plants & Animals
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Airport plans 'threaten' Hong Kong dolphins

Hong Kong's ambitious plans to expand its airport to meet soaring demand have sparked protests from environmentalists who say it would further endanger the city's rare Chinese white dolphins.

dateJun 07, 2011 in Ecology
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Against the tide: Currents keep dolphins apart

Conservationists from the Wildlife Conservation Society, the American Museum of Natural History, and other conservation and research groups have discovered that groups of dolphins in the western Indian Ocean ...

dateMar 24, 2011 in Ecology
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'Cove' director gives free DVD to Japan residents

(AP) -- Copies of the 2010 Oscar-winning film that depicts the slaughter of dolphins in the Japanese fishing village of Taiji have been delivered free to its residents, compliments of the director.

dateFeb 28, 2011 in Other
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