[Length 27 in. Wingspan 52 in.]

The symbol of the boreal forests of Canada and the northern US, the Great Gray Owl is the largest of all the North American owls. This one was photographed at Lloyd Harbor, Long Island, New York during an extreme southern irruption in the winter of 1979. Photo taken with a Soligor 300mm f5.6 lens on Ektachrome 200 film. (Date: January 1979)

[Length 22 in. Wingspan 44 in.]

This Great Horned Owl was photographed at Quivira NWR, 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 22 in. Wingspan 44 in.]

This captive Great Horned Owl was photographed at a wildlife rehabilitation center (photo courtesy Art and Hanna Richard). Photo taken with a 50mm f1.4 Pentax SMC Macro Lens on Kodachrome 64 film. (Date: Unknown)

[Length 22 in. Wingspan 44 in.]

This fledgling Great Horned Owl was photographed at an arboretum in central New Jersey. Photo taken with a Soligor 300mm f5.6 lens on Kodachrome 64 film. (Date: May 1978)

[Length 22 in. Wingspan 44 in.]

This Great Horned Owl on a nest was photographed at Anzalduas County Park, Mission, TX. 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: January 15, 2010)

[Length 15 in. Wingspan 36 in.]

This captive Long-eared Owl was photographed at a wildlife rehabilitation center (photo courtesy Art and Hanna Richard). Photo taken with a 50mm f1.4 Pentax SMC Macro Lens on Kodachrome 64 film. (Date: Unknown)

[Length 15 in. Wingspan 36 in.]

This Long-eared Owl was photographed in its favorite "roost tree" at Great Swamp NWR in central New Jersey. Photo taken with a 300mm f4.5 Nikkor ED lens on Ektachrome 400 film pushed to 800. (Date: March 1982)

[Length 16 in. Wingspan 28 in.]

The Northern Hawk Owl is found in boreal forests throughout Alaska, Canada, and the northern US. It is a diurnal owl, hunting openly during the day from exposed perches. This one was photographed near Burlington, Vermont in mid-winter. Photo taken with a 750mm f5.6 Celestron mirror lens on Ektachrome 200 film pushed to 400. (Date: February 1979)