MarineBio Conservation Society
Marine Bio: Dall's Porpoises
Illustrated reference guide features useful information on the Dall's porpoise with facts on physical characteristics, behavior, range, habitat, diet, and conservation status.
Smithsonian Institution
National Museum of Natural History: American Mammals: Dall's Porpoise
Dall's porpoises are highly acrobatic and are often seen swimming at high speed, darting to and fro, riding the bow waves of boats and engaging in slow rolls at the surface. Because they are black and white, boaters sometimes misidentify...