[Length 7 in. Wingspan 9.5 in.]

This "Eastern" White-crowned Sparrow was photographed at Robert Lee, Texas, USA. Photo taken with a Nikkor 300mm EDAF-S VR f2.8 lens + Nikkor TC20E II 2.0x Teleconverter (EFL=900mm) on a Nikon D200 camera. (Date: December 16, 2007)

[Length 7 in. Wingspan 9.5 in.]

This "Eastern" White-crowned Sparrow was photographed at Robert Lee, Texas, USA. Photo taken with a Nikkor 300mm EDAF-S VR f2.8 lens + Nikkor TC14E II 1.4x Teleconverter (EFL=630mm) on a Nikon D200 camera. (Date: December 16, 2007)

[Length 7 in. Wingspan 9.5 in.]

This "Eastern" White-crowned Sparrow was photographed at Robert Lee, Texas, USA. Photo taken with a Nikkor 300mm EDAF-S VR f2.8 lens + Nikkor TC14E II 1.4x Teleconverter (EFL=630mm) on a Nikon D200 camera. (Date: December 16, 2007)

[Length 7 in. Wingspan 9.5 in.]

This "Eastern" White-crowned Sparrow was photographed in winter in the Texas Hill Country, USA. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: April 1999)

[Length 7 in. Wingspan 9.5 in.]

This "Pacific" or "Nuttall's" White-crowned Sparrow was photographed in the coastal foothills near the Russian River in California, USA. Photo taken with a Nikkor 300mm ED f4.5 lens on Kodachrome 64 film. (Date: November 1981)

[Length 7 in. Wingspan 9.5 in.]

This immature "Pacific" or "Nuttall's" White-crowned Sparrow was photographed in the foothills near Arroyo Grande, California, USA. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: November 1981)

[Length 7 in. Wingspan 9.5 in.]

This immature "Pacific" or "Nuttall's" White-crowned Sparrow was photographed in the foothills near Arroyo Grande, California, USA. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: November 1997)

[Length 7 in. Wingspan 9.5 in.]

This immature "Pacific" or "Nuttall's" White-crowned Sparrow was photographed in the foothills near Arroyo Grande, California, USA. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: November 1997)

[Length 7 in. Wingspan 9.5 in.]

This "Pacific" or "Nuttall's" White-crowned Sparrow was photographed at Morro Bay, California, USA. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: November 1997)