I have copied this info from various news stories. Hope this helps:

Yesterday's spill seeped quickly into Quartermaster Harbor -- a hook-shaped inlet curving between Maury and Vashon. The harbor has meadows of eelgrass where the largest herring population in southern Puget Sound will come in another two months to spawn. Small fish called surf smelt are already spawning there.

More than a thousand Western grebes have already arrived in the harbor where they'll fatten up over the winter before flying north to have babies.

The harbor is "one of the last holdouts for that bird," said Dan Willsie, a "master birder" with the Audubon Society. The local grebe population has declined more than 80 percent in the past couple of decades.

The spill coated the southern ends of Maury and Vashon islands, creeping a short way up the west and east sides of both.

Most of Maury's shorelines and surrounding waters are thought to be so important for marine life that they're being considered by the state for designation as a reserve area.

The "resources in this spot are the best of what Puget Sound has to offer," Fletcher said.

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You can get up to the minute info on oil spills around the world at: http://www.spillpoint.com/

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No injuries to people had been reported. There were unconfirmed reports of two oiled birds, though wintering seabirds have not yet arrived in the area in large numbers. There were no animals in two wildlife-rehabilitation trailers set up on the Tacoma Tideflats.

Ecologically sensitive areas were given priority under Geographical Response Plans, O'Brien said. Eelgrass beds in Quartermaster Harbor, between Maury and Vashon, were protected by booms out of concern for herring that spawn there. Herring are prey for migrating and local seabirds, and for salmon and other fish.

Generally, seabirds are more at risk than fish, because they have to dive through oily waters to reach prey, said Demian Bailey of the National Oceanic and Atmospheric Administration. Turbulence can break up oil on the surface and reduce it to smaller particles that sink, "but it's been about as calm as it gets over the last 24 hours," he said.

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People who find oil-distressed wildlife are asked to avoid touching the oil and to call the state Department of Fish and Wildlife at 1-800-22-BIRDS (222-4737) or the Joint Information Center at 253-591-5906.

On the Internet:

Ecology: http://www.ecy.wa.gov/

Coast Guard: http://www.uscg.mil/d13/