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 ...

Jun 07, 2011
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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.

Jun 07, 2011
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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 ...

Mar 24, 2011
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Sperm whales have individual personalities

(PhysOrg.com) -- In a recent study published in Animal Behaviour by Dalhousie University biologists Hal Whitehead and Shane Gero, the concept that sperm whales (Physeter macrocephalus) are individuals is being lear ...

Mar 16, 2011 weblog
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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.

Feb 28, 2011
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Scientists scrutinize rise in baby dolphin deaths

Scientists are trying to figure out what killed 53 bottlenose dolphins - many of them babies - so far this year in the Gulf of Mexico, as five more of their carcasses washed up Thursday in Louisiana, Mississippi ...

Feb 26, 2011
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