[Length 12.5 in. Wingspan 20 in.]

This "Red-shafted" Northern Flicker was photographed at Cave Creek Ranch, Portal, AZ. Photo taken with a Nikkor 300mm EDAF-S VR f2.8 lens (EFL=450mm) on a Nikon D200 camera. (Date: August 12, 2007)

[Length 12.5 in. Wingspan 20 in.]

This "Red-shafted" Northern Flicker was photographed at Cave Creek Ranch, Portal, AZ. Photo taken with a Nikkor 300mm EDAF-S VR f2.8 lens (EFL=450mm) on a Nikon D200 camera. (Date: August 12, 2007)

[Length 12.5 in. Wingspan 20 in.]

This female "Red-shafted" Northern Flicker was photographed in the foothills near Arroyo Grande, California. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: September 1997)

[Length 12.5 in. Wingspan 20 in.]

This female "Red-shafted" Northern Flicker was photographed at Cottonwood Campground in Big Bend National Park, Texas. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: April 1993)

[Length 12.5 in. Wingspan 20 in.]

This male "Yellow-shafted" Northern Flicker was photographed during fall migration at Higbee Beach in Cape May, New Jersey. Photo taken with a Nikkor 300mm ED f4.5 lens on Kodachrome 64 film. (Date: October 1982)

[Length 12.5 in. Wingspan 20 in.]

This female"Yellow-shafted" Northern Flicker was photographed at Quivira NWR, Great Bend, Kansas. Photo taken with a AF-S VR Nikkor 300mm f/2.8G IF-ED lens + Nikkor TC20E II 2.0x Teleconverter (EFL=900mm) on a Nikon D300 camera. (Date: March 14, 2010)

[Length 12.5 in. Wingspan 20 in.]

This female "Yellow-shafted" Northern Flicker was photographed during fall migration at Higbee Beach in Cape May, New Jersey. Photo taken with a Nikkor 300mm ED f4.5 lens on Kodachrome 64 film. (Date: January 1991)

[Length 8.5 in. Wingspan 16 in.]

This male Red-naped Sapsucker was photographed at The Nature Conservancy's Davis Mountains Preserve, Fort Davis, TX. Photo taken with a AF-S VR Zoom-Nikkor 70-300mm f/4.5-5.6G IF-ED lens (EFL=450mm) on a Nikon D200 camera. (Date: December 20, 2008)