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LISTEN🔊: This is what killer whales sound like in a quiet underwater environment.
🔊 Now listen to killer whale calls that are masked by the sound of a large cruise ship passing by a pod.
Killer whales have good eyesight, but it doesn’t really help in the turbid, dark waters of B.C. They rely on echolocation and that’s why orca researcher John Ford says the underwater noise can have such a great impact on them.
So why does this matter? There are approximately 76 endangered southern resident killer whales living in local waters.
Compare their foraging areas to a map of shipping routes heading in and out of Metro Vancouver, and it’s kind of hard to tell the two maps apart.
Compare their foraging areas to a map of shipping routes heading in and out of Metro Vancouver, and it’s kind of hard to tell the two maps apart.
Listen to Killers: J-Pod on the brink to understand how noise and killer whale communication has become a thorn in the side of the Alberta oil industry, and the federal government’s Trans Mountain Expansion Project
cbc.ca/radio/podcasts…
cbc.ca/radio/podcasts…
