	American Cetacean Society Fact Sheet - Harbor Porpoise Fact sheet with description of fins and fluke.
	Differences between Dolphins and Porpoises Chart illustrating the differences between dolphins and porpoises.
	Museum of Zoology -- Animal Diversity Web -- University of Michigan -- Harbor Porpoise Fact sheet, focus on conservation status.
	National Geographic -- Harbor Porpoise Photos and multimedia with audio.
	NOAA -- Harbor Porpoise Fact sheet with good links to other websites.
	YouTube video -- Harbor Porpoise Video of porpoise breathing at the surface.

More Harbor Porpoise Research Links

	Discovery of Sound in the Sea - Harbor Porpoise Photos and multimedia with audio.
	Harbor Porpoise on the Move! Has a great video of a harbor porpoise in action.
	Hebridean Whale and Dolphin Trust - Harbor Porpoise Detailed physical description, habitat, distribution, behavior, food and conservation status.

	Sponsored by:
	National Aeronautics and Space Administration (NASA Award NCC5433)
	National Oceanic & Atmospheric Administration (NOAA Award NA06SEC4690006)