The Changing Trend in Songbird’s Abundance, Variety and Physical Condition in Connecticut’s Forestry Habitat

Authors: Yunliang Meng*, Central Connecticut State University
Topics: Biogeography
Keywords: Songbirds, Connecticut, Habitat
Session Type: Virtual Poster
Day: 4/9/2021
Start / End Time: 8:00 AM / 9:15 AM
Room: Virtual 51
Presentation File: No File Uploaded

This study aims to determine if the abundance and variety of songbirds in four selected forests in Connecticut show patterns of decline from 2005-2014. This study also compares the physical condition of songbirds captured along a powerline corridor in the Naugatuck State Forest with those captured in the rest three non-fragmented in Northwestern Connecticut using Mann-Whitney U tests. Weight and wingspan are used as indicators of bird physical condition. The results demonstrate that the three non-fragmented forests experienced steadily decline in the variety of songbirds between 2005 and 2014. In addition, songbirds’ abundance decreased steadily during the same period, except the ovenbird and wood thrush in Miles Wildlife Sanctuary. The results from the Mann-Whitney U test have shown that after sex and age controlled, three selective songbirds – veery ovenbird, and wood thrush, tend to have better physical conditions in Naugatuck State Forest than the three non-fragmented forests – Sharon Audubon Society, Miles Wildlife Sanctuary, and Great Mountain Forest Species Variety. Given are recommendations on how to protect shrubland habitat along powerline corridors and how to create shrubland habitat in non-fragmented forests.

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