Scientists' tracking of seabirds yields clues to health of oceans

Scientists in Nunavut and Newfoundland and Labrador are keeping a close watch on a species of seabirds known as thick-billed murres, which they say could provide clues about the health of the ocean waters around Canada.

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02 July 2009

1070 ḵing gan

Ḵwaan sda: CBC North