Greater White-fronted Goose Fact Sheet and Call links below
Frank G. Bonelli Regional Park, San Dimas, CA. 22 November 2008.
Frank G. Bonelli Regional Park, San Dimas, CA. 3 October 2007.
Frank G. Bonelli Regional Park, San Dimas, CA. 27 February 2007.
Sacramento NWR, 11 February 2007.