Study reveals key locations for declining songbird

[PhysOrg]

Many of North America's migratory songbirds, which undertake awe-inspiring journeys twice a year, are declining at alarming rates. For conservation efforts to succeed, wildlife managers need to know where they go and what challenges they face during their annual migration to Latin America and back. For a new study published by The Condor: Ornithological Applications, researchers in six states assembled an unprecedented effort to track where Prothonotary Warblers that breed across the eastern U.S. go in winter—their "migratory connectivity"—and found that nearly the entire species depends on a relatively small area in Colombia threatened by deforestation and sociopolitical changes.

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