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Arctic Warbler Phylloscopus borealis
Neiden, Finnmark, Norway 69° 42' 00.1" N 29° 23' 10.3" E 19 June 2019 Singing and calling from highest branches of birch slope near stream. Song composed of 2.05-2.76 sec strophes, each a trill of 20-27 double elements (range 2.7-5.9 kHz), sounding like a slow Eastern Bonelli's Warbler (P. orientalis). Most strophes decreasing in frequency by around 0.5 kHz. Song strophes usually preceeded by a soft, Dipper-like dzit call note (4.82-7.31 kHz). Each strophe repeated around eight times per minute. [File
name: arcticwarbler116293ecut]
Song rate per minute
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