News tagged with dolphins

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Mercury high in Japanese town that hunts dolphins

(AP) -- Residents of the dolphin-hunting village depicted in the Oscar-winning documentary "The Cove" have dangerously high mercury levels, likely because of their fondness for dolphin and whale meat, Japan's government ...

dateMay 09, 2010 in Environment
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Study shows some Gulf dolphins severely ill

Bottlenose dolphins in Barataria Bay, Louisiana, are showing signs of severe ill health, according to NOAA marine mammal biologists and their local, state, federal and other research partners.

dateMar 26, 2012 in Ecology
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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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Pregnancy is a drag for bottlenose dolphins

Lumbering around during the final weeks before delivery is tough for any pregnant mum. Most females adjust their movements to compensate for the extreme physical changes that accompany the later stages of pregnancy. However, ...

dateNov 24, 2011 in Plants & Animals
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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 hit.

dateJun 07, 2011 in Plants & Animals
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