Cinnamon-buff to dark brown above, buffy to pale gray below; hairs on back have long glossy tips; ear when laid forward reaches approximately the nostril; tragus about half as high as ear; calcar without keel; length of head and body 41-54 mm, ear 11.0-15.5 mm, forearm 33-41 mm; braincase rises gradually from rostrum; greatest length of skull 14-16 mm; length of upper toothrow 5.0-6.6 mm (Hall 1...
The Salish Sea water boundary includes the Strait of Georgia, Desolation Sound, The Strait of Juan de Fuca, and Puget Sound. The larger watershed basin is the area that drains into the Salish Sea waters.For more information and maps, see Stefan Freelan's: Maps of the Salish Sea (Mer des Salish) & Surrounding BasinView larger map
A study in the Journal of Comparative Physiology shows that muscle development necessary for diving can take several years to mature in harbor porpoises. Scientists argue that this may make immature harbor porpoises more vulnerable than adults to impacts from boat traffic or other disturbances.