[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)

[Length 7 in. Wingspan 10.5 in.]

This Fox Sparrow (iliaca race) was photographed at Sam Nail Ranch, Big Bend National Park, Texas, USA. Photo taken with a AF-S VR Nikkor 300mm f/2.8G IF-ED lens + Nikkor TC14E II 1.4x Teleconverter (EFL=630mm) on a Nikon D300 camera. (Date: December 12, 2010)

[Length 7 in. Wingspan 10.5 in.]

This "Eastern Red" Fox Sparrow was photographed in mid-winter at a cemetery in Lyndhurst, New Jersey, USA. Photo taken with a Nikkor 300mm ED f4.5 lens on Kodachrome 64 film. (Date: February 1984)

[Length 7 in. Wingspan 10.5 in.]

This "Sooty" Fox Sparrow was photographed near anchorage, Alaska, USA. Photo taken with a Nikkor 500mm f8.0 mirror lens on Ektachrome 800 film. (Date: May 1988)

[Length 7 in. Wingspan 10.5 in.]

This "Large-billed" Fox Sparrow was photographed at Piute Mountains, California, USA. 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: July 4, 2013)