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Wednesday, July 15, 2009

What Is Using Bio-Sonar In Lake Champlain?

Only dolphins and whales echolocate underwater, as a form of communication and as a food searching technique, and there are none in this Lake. What creature is making this high frequency sound?

1 comment:

  1. Anonymous1:30 PM

    hello... hapi blogging... have a nice day! just visiting here....

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