8 May Photos: Swan Lake Birds March 6, 2011May 8, 2007 by matt goff [Show slideshow] Savannah Sparrow (Passerculus sandwichensis) observed at Swan Lake. Savannah Sparrow (Passerculus sandwichensis) observed at Swan Lake. Savannah Sparrow (Passerculus sandwichensis) observed at Swan Lake. Gadwall (Anas strepera) observed at Swan Lake. Series Navigation5 May Photos: Starrigavan10 May Photos: Indian River ValleyShare this:ShareFacebookTwitter