[Length 5.5 in. Wingspan 7.5 in.]

Clay-colored Sparrows breed in the Great Lakes region and northcentral US, and central Canada. This one, in bright breeding plumage, was photographed in early June at the Nature Conservancy's Bluestem Prairie unit in western Minnesota, USA. Photo taken with a 300mm f4.5 Nikkor ED lens on Kodachrome 200 film. (Date: May 1992)

[Length 5.5 in. Wingspan 7.5 in.]

This Clay-colored Sparrow was photographed at Oak Hammock Marsh WMA, Stonewall, Manitoba, Canada. Photo taken with a AF-S VR Zoom-Nikkor 80-400mm f/4.5-5.6G IF-ED lens on a Nikon D7100 camera. (Date: June 15, 2018)

[Length 5.5 in. Wingspan 7.5 in.]

This Clay-colored Sparrow, in dull winter plumage, was photographed during fall migration at the Cape May Meadows in southern New Jersey, USA. Photo taken with a 300mm f4.5 Nikkor ED lens on Kodachrome 200 film. (Date: October 1988)

[Length 5.5 in. Wingspan 7.5 in.]

This Clay-colored Sparrow was photographed at Kerrville, Texas, USA. Photo taken with a Nikkor EDAF 300 f4.0 lens on Kodachrome 200 film. (Date: October 2000)

[Length 5.5 in. Wingspan 8.75 in.]

This Eurasian Tree Sparrow was photographed at a nature center near Nemuro on the island of Hokkaido, Japan. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: January 1996)

[Length 5.5 in. Wingspan 8.75 in.]

This Eurasian Tree Sparrow was photographed at the Nanhui Refuge, Nanhui (Shanghai), Shanghai, China. Photo taken with a AF-S VR Zoom-Nikkor 80-400mm f/4.5-5.6G IF-ED lens on a Nikon D7100 camera. (Date: May 04, 2017)

[Length 5.5 in. Wingspan 8.75 in.]

This Eurasian Tree Sparrow was photographed at the Nanhui Refuge, Nanhui (Shanghai), Shanghai, China. Photo taken with a AF-S VR Nikkor 300mm f/2.8G IF-ED lens + Nikkor TC17E II 1.7x Teleconverter on a Nikon D7100 camera. (Date: May 05, 2017)

[Length 6 in. Wingspan 8.75 in.]

This Eurasian Tree Sparrow was photographed near St. Louis, Missouri, USA. Photo taken with a Nikkor 180mm EDAF f2.8 lens on Kodachrome 200 film. (Date: June 1992)