[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)

[Length 5.75 in. Wingspan 8 in.]

This Field Sparrow was photographed at Goose Island State Park, Texas, USA. Photo taken with a AF-S VR Nikkor 300mm f/2.8G IF-ED lens + Nikkor TC17E II 1.7x Teleconverter (EFL=750mm) on a Nikon D300 camera. (Date: February 16, 2011)

[Length 5.75 in. Wingspan 8 in.]

This Field Sparrow was photographed at South Llano River State Park, Junction, Texas, USA. Photo taken with a Nikkor 70-200mm EDAF-S VR f2.8 lens + Nikkor TC20E II 2.0x Teleconverter (EFL=600mm) on a Nikon D100 camera. (Date: April 7, 2006)

[Length 5.75 in. Wingspan 8 in.]

This Field Sparrow was photographed at South Llano River State Park, Junction, Texas, USA. Photo taken with a Nikkor 300mm EDAF-S f4 lens + Nikkor TC20E II 2.0x Teleconverter (EFL=900mm) on a Nikon D100 camera. (Date: April 7, 2006)

[Length 7 in. Wingspan 10.5 in.]

This "Eastern Red" Fox Sparrow was photographed during spring migration in a suburban back yard in central New Jersey, USA. Photo taken with a Nikkor 300mm ED f4.5 lens on Kodachrome 64 film. (Date: November 1980)