[Length 5.5 in. Wingspan 9.5 in.]

This Blue-headed Vireo was photographed at the Frontera Audubon Nature Center, Brownsville, TX. Photo taken with a AF-S VR Nikkor 300mm f/2.8G IF-ED lens (EFL=450mm) on a Nikon D200 camera. (Date: January 21, 2009)

[Length 5.5 in. Wingspan 8 in.]

This Gray Vireo was photographed at McKittrick Canyon in Guadalupe Mountains National Park, Texas. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: May 1993)

[Length 5.5 in. Wingspan 8 in.]

This Gray Vireo was photographed at McKittrick Canyon in Guadalupe Mountains National Park, Texas. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: May 1993)

[Length 5.5 in. Wingspan 8 in.]

This Gray Vireo was photographed at McKittrick Canyon in Guadalupe Mountains National Park, Texas. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: May 1993)

[Length 5 in. Wingspan 8 in.]

Hutton's Vireos breed along the west coast of Canada and the US from southwestern British Columbia to southern California, and in the mountains and foothills of southeastern Arizona, southwestern New Mexico, and western Texas. This one was photographed along the road to Rustler Park in southeastern Arizona. Photo taken with a 300mm f4.5 Nikkor ED lens on Ektachrome 400 film pushed to 800. (Date: May 1985)

[Length 5 in. Wingspan 8 in.]

This "Southwestern" Hutton's Vireo was photographed in the Davis Mountains near Fort Davis, Texas. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: June 2000)

[Length 5.25 in. Wingspan 8 in.]

Philadelphia Vireos breed across much of southern Canada except British Columbia and along the US border from Minnesota to Maine. Although Philadelphia Vireos are regular migrants during the fall in the East, this one was photographed when it showed up unexpectedly in a "mini-fallout" during spring migration along the coast of southern New Jersey. Photo taken with a 300mm f4 Nikkor EDAF lens on Kodachrome 200 film. (Date: May 1996)

[Length 5.25 in. Wingspan 8 in.]

This Philadelphia Vireo was photographed at the Convention Center gardens, South Padre Island, TX. 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: May 1, 2009)