Thursday, May 6, 2010

Nature news

World's biggest beaver dam discovered in northern Canada
by Michel Comte and Jacques Lemieux
– Wed May 5, 2010
OTTAWA (AFP) – A Canadian ecologist has discovered the world's largest beaver dam in a remote area of northern Alberta, an animal-made structure so large it is visible from space.

Researcher Jean Thie said Wednesday he used satellite imagery and Google Earth software to locate the dam, which is about 850 metres (2,800 feet) long on the southern edge of Wood Buffalo National Park

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