ML29361111
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Localidad
Walden Ponds Wildlife Habitat--Walden & Sawhill Ponds all together
Boulder, Colorado, United States
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Comentarios
Eastern Warbling-Vireo at Walden Ponds, where the species has summered for at least several years.
Detalles de la observación
My guess is that all 5 warbling-vireos detected this afternoon were Easterns. Two pairs (singing bird + companion), plus a distant singing bird. I recorded one (audio and spectrogram below), and its song matches that of Eastern Warbling-Vireo: long duration (3 sec.) with terminal rising note (squirt!) and herky-jerky phrasing overall.
Información técnica
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