Black-Capped Chickadee and Oak Forest Abundance in Wisconsin
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Forests include a variety of trees and wildlife that have close-nit relationships. Oak forests provide insects and shelter for black-capped chickadees, which is suited for them to thrive. Vegetation maps from the 1800s and 1993 were compared to find a shift of oaks forests. Bird data obtained from the IBBA was layered over the 1993 vegetation map using ArcMap, to analyze the shift of chickadees in Wisconsin. The oaks were visually analyzed to have shifted from the southeast to the northwest of Wisconsin. Black-capped chickadee shifts followed the oaks to the northwest. The oak forest shift north was probably due to an increase of agriculture and urbanization in the southeast region. The chickadees, relying on food and shelter of the oak, followed the decline from the southeast, with a shift to the northwest. Correlating oak forests and chickadees addresses the issue concerning loss of habitat and long term effects.
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