What is the designation for rare White-Eyed Vireo sightings in places like Montana, far outside the typical wintering corridor?
Answer
Extralimital sightings.
Observations occurring significantly outside the established boundaries of the usual migratory pathways or residency zones are termed extralimital sightings. The sighting of a White-Eyed Vireo in a location like Montana, which is far removed from its expected wintering ground in the deep south or Central America, fits this classification, reminding observers that migratory routes are not perfectly rigid.
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