I managed to film the song of the Willow warbler / fitis during a quite windy day on the island Texel, the Netherlands.
scientific name: Phylloscopus trochilus
date: 24 April 2022
location: Texel (Bleekersvallei) the Netherlands
camera: Sony α6400 with 70-350 telezoom. Internal microphone. handheld.
Visually it is nearly impossible to distinguish the Willow warbler/ fitis from the Common chiffchaff / tjiftjaf. Luckily, their songs differ so much that it is easy for the uninitiated to distinguish both birds quickly.
Remarkable detail: a closer inspection of the pictures reveals that this tiny bird has a ring on his left leg! I never suspected that these birds were eligible for ringing. See:
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