Revtangen BO November 9th-24th
Most migrants have left and most bird observatories have closed, but Revtangen BO never close! Ringing was carried out on 8 days between November 9th and 24th. After a cold start to the month we've had a quite long and stable period dominated by mild E-SE. Visible migration is limited to a continued northbound movement of Eurasian Siskins, still sizeable flocks moving this weekend on the 23rd-24th. We have taken down some of the nets, and most trapping now occurs around the feeder. In addition, playback on Twite have been quite successfull in the southern end of the trapping area, and we've now ringed 60 in total, most in November.
60 Twite is the hightest number at the BO since 1971. This is a result of a higher effort on playback than before, rather than a huge population increase, but there also seems to be more Twites around than usual.
Ringed, November 9th-24th: Sparrowhawk 1, Collared Dove 2, Grey Wagtail 1, Bohemian Waxwing 2, Winter Wren 2, European Robin 1, Common Blackbird 14, Fieldfare 14, Redwing 12, Song Thrush 1, Blackcap 11, Common Chiffchaff 3, Blue Tit 3, Common Starling 1, House Sparrow 7, Tree Sparrow 57, Chaffinch 5, Brambling 7, Greenfinch 21, Eurasian Siskin 2, Twite 42, Mealy Redpoll 1, Lesser Redpoll 10, European Goldfinch 1, Yellowhammer 12, Reed Bunding 1. Total = 235.
Norwegian summary of ringing results, 9.-24. november (8 fangstdager): Spurvehauk 1, tyrkerdue 2, vintererle 1, sidensvans 2, gjerdesmett 2, rødstrupe 1, svarttrost 14, gråtrost 14, rødvingetrost 12, måltrost 1, munk 11, gransanger 3, blåmeis 3, stær 1, gråspurv 7, pilfink 57, bokfink 5, bjørkefink 7, grønnfink 21, grønnsisik 1, bergirisk 42, gråsisik 1, brunsisik 10, stillits 1, gulspurv 12, sivspurv 1. Total = 235.
Renate Berg, Atle Espen Helgesen, Håvard Husebø and Alf Tore Mjös. 5 visitors.
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