[Length 20 (Male) to 25 (Female) in. Wingspan 50 (M) to 64 (F) in.]

This immature Gyrfalcon was photographed as a winter visitor (January-February 2002) in Lubbock, Texas, USA. This is the southernmost record of Gyrfalcon in the United States. Photo taken with a Nikkor 300mm EDAF f4 lens on Kodachrome 200 film. (Date: February 2002)

[Length 20 (Male) to 25 (Female) in. Wingspan 50 (M) to 64 (F) in.]

This immature Gyrfalcon was photographed as a winter visitor (January-February 2002) in Lubbock, Texas, USA. This is the southernmost record of Gyrfalcon in the United States. Photo taken with a Nikkor 300mm EDAF f4 lens on Kodachrome 200 film. (Date: February 2002)

[Length 20 (Male) to 25 (Female) in. Wingspan 50 (M) to 64 (F) in.]

This immature Gyrfalcon was photographed as a winter visitor (January-February 2002) in Lubbock, Texas, USA. This is the southernmost record of Gyrfalcon in the United States. Photo taken with a Nikkor 300mm EDAF f4 lens on Kodachrome 200 film. (Date: February 2002)

[Length 20 (Male) to 25 (Female) in. Wingspan 50 (M) to 64 (F) in.]

This immature Gyrfalcon was photographed as a winter visitor (January-February 2002) in Lubbock, Texas, USA. This is the southernmost record of Gyrfalcon in the United States. Photo taken using eyepiece projection on a Celestron C5 1250mm f10 telescope with a 26mm Plossl eyepiece on Kodachrome 200 film pushed to 800. (Date: February 2002)

[Length 20 (Male) to 25 (Female) in. Wingspan 50 (M) to 64 (F) in.]

This immature Gyrfalcon was photographed as a winter visitor (January-February 2002) in Lubbock, Texas, USA. This is the southernmost record of Gyrfalcon in the United States. Photo taken using eyepiece projection on a Celestron C5 1250mm f10 telescope with a 26mm Plossl eyepiece on Kodachrome 200 film pushed to 800. (Date: February 2002)

[Length 20 (Male) to 25 (Female) in. Wingspan 50 (M) to 64 (F) in.]

This captive "White Phase" Gyrfalcon was photographed at the Rio Grande Valley Birding Festival, Harlingen, Texas, USA. Photo taken with a AF-S DX VR Zoom-Nikkor 18-200mm f/3.5-5.6G IF-ED [II] lens on a Nikon D3200 camera. (Date: November 8, 2014)

[Length 20 (Male) to 25 (Female) in. Wingspan 50 (M) to 64 (F) in.]

This captive "Dark Phase" Gyrfalcon was photographed at the Rio Grande Valley Birding Festival, Harlingen, Texas, USA. Photo taken with a AF-S DX VR Zoom-Nikkor 18-200mm f/3.5-5.6G IF-ED [II] lens on a Nikon D3200 camera. (Date: November 8, 2014)

[Length 20 (Male) to 25 (Female) in. Wingspan 50 (M) to 64 (F) in.]

This captive "Dark Phase" Gyrfalcon was photographed at the Rio Grande Valley Birding Festival, Harlingen, Texas, USA. Photo taken with a AF-S DX VR Zoom-Nikkor 18-200mm f/3.5-5.6G IF-ED [II] lens on a Nikon D3200 camera. (Date: November 8, 2014)