[Length 33 (Male) to 44 (Female) in. Wingspan 87 (Male) to 96 (Female) in.]

This male Steller's Sea-Eagle was photographed along the shores of the Notsuke peninsula near Nemuro-Shibetsu on the island of Hokkaido, Japan as he flew to chase off another male. Part of a series of photographs. Photo taken with a 300mm f4.0 EDAF lens on Kodachrome 200 film pushed to 800. (Date: January 1996)

[Length 26 (Male) to 35 (Female) in. Wingspan 72 (Male) to 94 (Female) in.]

White-tailed Eagles breed across northern Europe, Siberia, the Kamchatka Peninsula, and northern Japan. A few pairs have colonized North America's Attu Island, at the end of the Aleutian Island chain in Alaska. This adult, showing a grizzled head and neck (which grows lighter with age) and relatively short tail, was photographed near the Akan Cho Japanese Crane Refuge near Kushiro on the island of Hokkaido, Japan. Photo taken with a 300mm f4.0 EDAF lens on Kodachrome 200 film. (Date: January 1996)

[Length 15 (Male) to 16.5 (Female) in. Wingspan 40 (M) to 48 (F) in.]

This male Aplomado Falcon was photographed at Old Port Isabel Road, Port isabel, Texas. 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 D7000 camera. (Date: January 11, 2012)

[Length 15 (Male) to 16.5 (Female) in. Wingspan 40 (M) to 48 (F) in.]

This Aplomado Falcon was photographed at the entrance road, Laguna Atascosa NWR, TX. 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: August 27, 2008)

[Length 15 (Male) to 16.5 (Female) in. Wingspan 40 (M) to 48 (F) in.]

This Aplomado Falcon was photographed at the entrance road, Laguna Atascosa NWR, TX. 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: August 27, 2008)

[Length 15 (Male) to 16.5 (Female) in. Wingspan 40 (M) to 48 (F) in.]

This male Aplomado Falcon was photographed at Old Port Isabel Road, Port isabel, Texas. 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 D7000 camera. (Date: January 11, 2012)

[Length 16 (Male) to 20 (Female) in. Wingspan 36 (M) to 44 (F) in.]

This Peregrine Falcon was photographed at Lake Balmorhea, Balmorhea, 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, 2009)

[Length 16 (Male) to 20 (Female) in. Wingspan 36 (M) to 44 (F) in.]

This Peregrine Falcon was photographed at Quivira NWR, KS. 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: May 1, 2007)