[Length 24 in. Wingspan 53 in.]

This Common Raven was photographed at Rio Grande Village, Big Bend National Park, Texas. 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 12, 2010)

[Length 24 in. Wingspan 53 in.]

This Common Raven was photographed at Rio Grande Village, Big Bend National Park, Texas. Photo taken with a AF-S VR Zoom-Nikkor 70-300mm f/4.5-5.6G IF-ED lens (EFL=232mm) on a Nikon D200 camera. (Date: December 12, 2010)

[Length 17 in. Wingspan 26 in.]

This pair of Razorbills was photographed at Fowlsheugh RSPB Reserve, Stonehaven, Scotland, Great Britain. Photo taken with a Nikkor 300mm EDAF-S f4 lens (EFL=450mm) on a Nikon D100 camera. (Date: May 26, 2004)

[Length 17 in. Wingspan 26 in.]

This winter plumaged Razorbill was photographed at the mouth of the Manasquan River Inlet in New Jersey. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: March 1992)

[Length 17 in. Wingspan 26 in.]

This Razorbill was photographed at Fowlsheugh RSPB Reserve, Stonehaven, Scotland, Great Britain. Photo taken with a Nikkor 300mm EDAF-S f4 lens (EFL=450mm) on a Nikon D100 camera. (Date: May 28, 2004)

[Length 17 in. Wingspan 26 in.]

This Razorbill was photographed at Lerwick, Mainland, Shetland, Scotland, Great Britain. Photo taken with a Nikkor 300mm EDAF-S f4 lens (EFL=450mm) on a Nikon D100 camera. (Date: June 10, 2004)

[Length 19 in. Wingspan 29 in.]

This Redhead pair was photographed at Cheyenne Bottoms WMA, Great Bend, Kansas. 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: March 16, 2010)

[Length 19 in. Wingspan 29 in.]

This female Redhead was photographed at the Lake Hood seaplane marina in Anchorage, Alaska. Photo taken with a Nikkor 300mm ED f4.5 lens on Kodachrome 200 film. (Date: March 1980)