Troels Jacobsen/Arcticphoto / White Beaked Dolphin (Lagenorhynchus albirostris) breaching. Keflavik, south west Iceland, 2003.
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Shattil & Rozinski / Pacific white-sided dolphins (Lagenorhynchus obliquidens) porpoising, off the coast of British Columbia's Great Bear Rainforest, Canada, September