Distribution Trends for Wintering Raptors in Western North America
Date: Apr 10, 2013
Event Type: GNLCC Webinar
Time: 12:00-1:00 pm Mountain Time
We examined the latitudinal center of abundance for the winter distributions of six western North American raptor species using Christmas Bird Counts from 1975-2011. All wintering raptors shifted their distributions north over time and five of six raptor species tended to winter further north during warmer winters. Northward shifts were also predictive of some regional population indices at the Bird Conservation Region level. This emphasizes the importance of understanding distribution shifts and population trends on a regional, instead of continental scale. Understanding the influence distribution shifts and climate change have on regional population indices may change the way we manage bird populations within bird conservation regions.
About the Presenter: Neil Paprocki is the Scientific Director & Treasurer for Wild Lens Inc.
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