I thought this was an interesting article about the surf scoter ducks. The big San Francisco oil spill occurred at the same time these poor ducks migrated to the Bay. They came to S.F for the climate and for its abundant food supply of clams, crabs and mussels. These sea ducks are already having trouble surviving and this has just made it worse. So far, more than 1000 birds have been found dead but more have been saved and rehabilitated at a wildlife center.
These ducks are not on any endangered lists but their population has “declined 50 to 70 percent in the past four decades” and some of this is linked to global warming issues.