 There are ongoing efforts to restore Olympia oysters in Puget Sound.There are many seabird species of Puget Sound.Among these are grebes such as the western grebe ("Aechmophorus occidentalis"); loons such as the common loon ("Gavia immer"); auks such as the pigeon guillemot ("Cepphus columba"), rhinoceros auklet ("Cerorhinca monocerata"), common murre ("Uria aalge"), and marbled murrelet ("Brachyramphus marmoratus"); the brant goose ("Branta bernicla"); seaducks such as the long-tailed duck ("Clangula hyemalis"), harlequin duck ("Histrionicus histrionicus"), and surf scoter ("Melanitta perspicillata"); and cormorants such as the double-crested cormorant ("Phalacrocorax auritus").