Golden-crowned Sparrow (Zonotrichia atricapilla)
Above and below: Maryland's first record of Golden-crowned Sparrow, photographed at Chesapeake Farms, Kent Co., Maryland (12/20/2010). Found the previous day by Bruce Peterjohn during the Lower Kent CBC. Exceptional find, Bruce!
Listen to audio - Golden-crowned Sparrow - chipping, 12/20/2010
More chipping, 12/20/2010
Below: A Golden-crowned Sparrow at Nisqually NWR, Washington (1/19/2006).