Listening for Whale Songs at Night At the Vancouver Aquarium in Canada's British Columbia, marine biologist John Ford listens for the songs of whales. Ford can identify individual groups of orcas, but he must work at night, because noise pollution from shipping drowns out their calls during the day. Producer Barrett Golding reports.
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Listening for Whale Songs at Night

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At the Vancouver Aquarium in Canada's British Columbia, marine biologist John Ford listens for the songs of whales. Ford can identify individual groups of orcas, but he must work at night, because noise pollution from shipping drowns out their calls during the day. Producer Barrett Golding reports.