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CONFERENCE SCHEDULE UPDATES & CHANGES: As a result of the prolonged government shutdown, we experienced a number of cancellations and changes to the schedule. Cancellations and changes are listed here (as of January 26, 2019). 
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Monday, January 28 • 2:00pm - 2:20pm
(SYMPOSIA-05) Using Citizen Scientist Data to Elucidate Drivers of Urban Bird-window Collisions

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AUTHORS: Jonathan Rice, Luke DeGroote, Matt Webb, Jake Slyder – Carnegie Museum of Natural History

ABSTRACT: Throughout the spring (April-May) and fall (Sept-Aug) migrations of 2014 – 2016, citizen scientists searched for birds that had collided with buildings in downtown Pittsburgh, PA, USA.  These volunteers spent 965 hours searching an area encompassing 217.7 ha comprised of skyscrapers, low commercial buildings, apartment buildings, and city parks.  Volunteers found 705 dead or injured birds, 218 in the spring and 487 in the fall. We delineated building sides for all buildings with collisions (n=278), and for randomly selected buildings without collisions (n=65).  We quantified physical characteristics of the building and adjacent land cover using GIS and field visits (presences and extent of overhangs, percentage of windows, reflectivity of windows, rugosity, and presence of landscaping).  Bird-window collisions were more frequent at larger, structurally complex buildings with nearby vegetative cover.  Our results demonstrate that not all buildings are equally dangerous for birds.  Furthermore, future bird-window collisions could be mitigated if architects and urban planners design buildings with less glass, fewer alcoves, and less nearby vegetation.

Monday January 28, 2019 2:00pm - 2:20pm EST