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Tuesday, January 30 • 6:00pm - 9:00pm
Student Research-in-Progress Poster Display. Microhabitat use of Migrating Northern Saw-Whet Owls (Aegolius acadicus)

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AUTHOR: Ian Bierke, University of Wisconsin- Stevens Point

ABSTRACT: The Northern saw-whet owl (Aegolius acadicus) (NSWO) is a mesopredator within upland ecosystems._x000D_ NSWO's migrate in fall from September until December, peaking in around mid-October. During_x000D_migration this species encounters a wide variety of habitat types. Little is known about fine-scale habitat_x000D_ use of migrating NSWO's within migration corridors. We utilized data from the University of Wisconsin-Stevens Point student chapter of The Wildlife Society's long-term saw-whet owl banding project at_x000D_ Sandhill Wildlife Area in Babcock, Wisconsin from fall 2007 to 2015. NSWO's were lured and captured_x000D_ using call playback devices and mist-nets and were banded using USGS aluminum leg bands. Trapping_x000D_ occurred in 7 microhabitat types: seral stage pine and oak mix, late successional big tooth aspen, old_x000D_ growth white pine, intermediate big tooth aspen, intermediate red maple and big tooth aspen, mature_x000D_ red oak, and oak savanna. We used a Chi Square test to assess the correlation between number of owls_x000D_
caught in a season and habitat use during the fall migration.

Tuesday January 30, 2018 6:00pm - 9:00pm CST
Ballroom C & Foyer