Planet of Birds

Great Grey Owl (Strix nebulosa) Science Article 5 abstract The California Great Gray Owl (Strix nebulosa) population is centered in the Yosemite region of the Sierra Nevada (Winter 1980). Efforts were initiated in 1980 to enhance breeding habitat at Ackerson Meadow in the Stanislaus National Forest by providing artificial nests at 1400 m elevation, the […]

Great Grey Owl (Strix nebulosa) Science Article 4 abstract I observed a Great Gray Owl (Scotiaptex nebulosa nebulosa) in the Bridger Mountains,about 20 miles northeast of Bozeman, Montana. The locality was in the upper Canadian Zone, at 7,000 feet elevation. The day was cloudy and dark, with occasional spatters of rain. C. A. TRYON, JR., […]

Great Grey Owl (Strix nebulosa) Science Article 1 abstract Forest fragmentation through timber harvesting, agricultural clearing, and other industrial activities is increasing on the Canadian landscape. This study was conducted in order to gain an understanding of habitat requirements for breeding Great Gray Owls (Strix nebulosa) in the forest fragments of central Alberta. D.P. Stepnisky, […]

Great Grey Owl (Strix nebulosa) Science Article 3 abstract We describe nest site habitat characteristics at two spatial scales and prey use forthe first confirmed successful nesting pair of Great Gray Owls (Strix nebulosa) inMichigan. Habitats around the nest site were considerably heterogeneous out to 2km, but relatively homogeneous at over 50 m. R. Gregory […]

Great Grey Owl (Strix nebulosa) Science Article 2 abstract In the winter 1995/1996, a nearly continent-wide movementof Great Gray Owls (Strix nebulosa) occurred. A sample of 126 owlsexamined during this period, mainly from northeast of Winnipeg,included a large number from the 1994 hatch-year. Robert W. Nero and Herbert W.R. Copland, 2nd Owl Symposium Download article […]