 Waterfowl at the refuge are great blue herons , Canada geese , wood ducks , swans , northern pintails , green herons , teals , mergansers , belted kingfishers , and American wigeons among others . Birds that spend time there include , sandhill cranes , Oregon juncos , wren , common starlings , blackbirds , nuthatches , Pacific @-@ slope flycatchers , red @-@ tailed hawks , American goldfinch , peregrine falcons , yellow warblers , western flycatchers , killdeer , northern harriers , osprey , egrets , quail , pheasants , golden @-@ crowned kinglets , owls , and black @-@ headed grosbeaks to name a few . There is also a pair of bald eagles . The year it was created officials counted 24 different bird species . By 2008 there were 185 birds species represented at the refuge . 
