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Footage of the beluga whales is captured by the beluga research vessel, Delphi, which uses two cameras, one underwater and one above deck to observe 55,000 beluga whales migrate to the Hudson Bay's ...

HELENA — The underwater webcam attached to Hayley Shephard's boat captures what at first appear to be green glowing orbs as she motors through an estuary in remote Canada. Then the orbs come into ...