Lancaster Sound melting pack ice at the end of the Arctic winter. Sawyer Glacier glacial melt pools. Cumberland Bay, Somerset Island. Latitude 73 above the Arctic Circle. Migrating Beluga Whales come to these shale shallows to moult their surface hide. Up to 500 whales assemble from open waters as far as 1400 miles away on the Davis Straight to Point Barrow, the two extremities of the Northern Canadian Coast. Ice Sheet Sculpture on the Waddington Ice Sheet in the South Alaskan Range. © John Beatty