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    Author(s): Rosemary A. Frank; R. Scott Lutz
    Date: 1997
    Source: In: Duncan, James R.; Johnson, David H.; Nicholls, Thomas H., eds. Biology and conservation of owls of the Northern Hemisphere: 2nd International symposium. Gen. Tech. Rep. NC-190. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station. 185-189.
    Publication Series: General Technical Report (GTR)
    Station: North Central Research Station
    PDF: View PDF  (201.08 KB)

    Description

    We studied movements and breeding success of resident Great Horned Owls (Bubo virginianus) at the Rocky Mountain Arsenal National Wildlife Refuge from 1994-1996. We captured adult owls prior to nest initiation and outfitted them with radio transmitters. Twelve, 5, and 11 pairs nested each year, respectively. Eleven nests successfully hatched and produced 24 owlets in 1994, 3 nests produced 6 owlets in 1995, and 10 nests produced 29 owlets in 1996. We documented three cases in which a single parent successfully fledged owlets. We recorded three cases of nest site reuse. Ninety-five percent adaptive kernel mean home range size did not differ between ages or sexes.

    Publication Notes

    • Check the Northern Research Station web site to request a printed copy of this publication.
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    • During the capture process some typographical errors may occur.
    • Please contact Sharon Hobrla, shobrla@fs.fed.us if you notice any errors which make this publication unusable.
    • We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Frank, Rosemary A.; Lutz, R. Scott 1997. Great Horned Owl (Bubo virginianus) productivity and home range characteristics in a shortgrass prairie. In: Duncan, James R.; Johnson, David H.; Nicholls, Thomas H., eds. Biology and conservation of owls of the Northern Hemisphere: 2nd International symposium. Gen. Tech. Rep. NC-190. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station. 185-189.

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