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Revtangen BO November 25th

Calm and cold weather at the moment. Minus 3,5 degrees in the morning. Kept around half the nets open 09-14, netmeter hours approx. 1000. Apples on the lawn and feeder with seed mix. Despite temperatures well into the blue there were still Song Thrush, Blackcap and Chiffchaffs in the catch.

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Eurasian Siskin 2cy+ male. Grønnsisik, 2K+ hann.

Ringed: Fieldfare 7, Common Blackbird 4, Song Thrush 1, Blackcap 1, Chiffchaff 2 (abietinus), Goldcrest 1, Tree Sparrow 4, Chaffinch 2, Greenfinch 1, Eurasian Siskin 7, Yellowhammer 3. Total = 33. Also 6 controls.

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Grønnsisik_1K_stordekkere_Revtangen_20181125_beh150.jpg#asset:6962

7 Eurasian Siskins were trapped and ringed today, all were males, 6 were 1cy. This species is quite easy to age. Adults (top) have rounded and quite fresh tailfeathers, and all greater coverts are of adult type, black with greenish edges. 1 cy have more pointed and worn tailfeathers, and usually an obvious contrast in the row of greater coverts (lower). This one has 4 inner gc of adult type and 5 outer are paler brown juvenile feathers.

Norwegian summary of ringing results:

Ringmerket: Gråtrost 7, svarttrost 4, måltrost 1, munk 1, gransanger 2 (abietinus), fuglekonge 1, pilfink 4, bokfink 2, grønnfink 1, grønnsisik 7, gulspurv 3. Total = 33. Også 6 kontroller.