To which geographic regions do long-distance migrant Willow Flycatchers undertake their southward journey?
Answer
Primarily Central America and northwestern South America.
The Willow Flycatcher is characterized as a long-distance migrant, breeding across the western expanse of North America before undertaking an extensive journey to its non-breeding grounds. This southward migration occurs after the conclusion of the nesting season. The primary wintering grounds are situated across Central America. Furthermore, the migration route extends into northwestern regions of South America, linking the bird's life cycle across vastly different ecological landscapes spanning two continents. The impact of threats in these distant wintering grounds can consequently affect the vigor of the populations returning to the North American breeding sites.
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