Sighting of sperm whales in Arctic a sign of changing ecosystem, say scientists

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Rare sighting in the Canadian Arctic as a growing number of species expand their range into warming waters

A rare sighting of sperm whales in the Canadian Arctic is the latest sign of a quickly changing ecosystem, say scientists, as a growing number of species expand their range into warming Arctic waters.

Brandon Laforest, a marine biologist with the World Wildlife Fund, and guide Titus Allooloo were working on a project monitoring the effect of marine traffic on the region’s narwhal population when they spotted the pair of large whales just outside Pond Inlet, a community at the northern tip of Baffin Island in September.

Related: ‘One of the boys’: lost narwhal finds new home with band of beluga whales

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