Commissie Dwaalgasten Nederlandse Avifauna

IJslands Smelleken 7

Falco columbarius subaesalon  ·  Icelandic Merlin

id 69636
datum 22 t/m 24 november 2022: 3 dagen
gemeente Castricum (NH)
locatie Vogelringstation Castricum, Noordhollands Duinreservaat
coördinaten N 52,53999  O 4,6142
aantal, kleed 1, 1e kj vrouw
soort waarneming (ring)vangst
status Aanvaard, gepubliceerd in jaarverslag CDNA
waarnemer(s) R Reijnders, S Douwstra, N J Hollenberg
opmerkingen ringed, photographed. The photographs clearly showed a female Merlin, with a measured straightened wing length of 238 mm. The maximum wing length in females of F c aesalon from Europe (not in Iceland) is well short of this length. The previous six records were all of birds found dead between 1854 and 1950. This was, therefore, quite a remarkable record but, as F c subaesalon occurs regularly in winter in France and has even reached Spain as evidenced by ring recoveries, it might be overlooked in the Netherlands.

Waarneming.nl

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