Karine Aigner / Portrait of a Swamp sparrow (Melospiza georgiana) with white background, Block island, Rhode Island, USA. Bird caught during scientific research.

Alan Murphy/ BIA / Swamp Sparrow (Melospiza georgiana), Texas

Alan Murphy/ BIA / Swamp Sparrow (Melospiza georgiana), Texas

Alan Murphy / Swamp Sparrow (Melospiza georgiana), Texas

Robert Royse / Swamp Sparrow (Melospiza georgiana) male, Manitoba, Canada

Robert Royse / Swamp Sparrow (Melospiza georgiana), Ohio

Robert Royse / Swamp Sparrow (Melospiza georgiana), Ohio

Glenn Bartley / Swamp Sparrow (Melospiza georgiana), Ontario, Canada

Robert Royse / Swamp Sparrow (Melospiza georgiana), Ohio

Matthew Studebaker / Swamp Sparrow (Melospiza georgiana), Ohio

Alan Murphy / Swamp Sparrow (Melospiza georgiana), Texas

Steve Gettle / Swamp Sparrow (Melospiza georgiana), Kensington Metropark, Michigan

Steve Gettle / Swamp Sparrow (Melospiza georgiana) calling, Huron Meadows Metropark, Michigan

Gerrit Vyn / Swamp Sparrow (Melospiza georgiana) portrait, perched on branch, Tompkins County, New York, USA, May.