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Revtangen BO September 2nd

SE 5-7 m/s, turning SSE and increasin to 8-10 m/s after 9. Trapping inefficient after that because of wind. Nets open 06.30-15.30, netmeter hours approx. 2800. Playback on Garden Warbler and Barred Warbler through the night, Grey Wagtail, Tree Pipit and European Goldfinch through the day.

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Grey Wagtails are attracted to the observatory pools with playback. Vintererle.

Ringed: Eurasian Sparrowhawk 2, White Wagtail 1, Grey Wagtail 2, Tree Pipit 2, European Robin 2, Common Whitethroat 2, Garden Warbler 17, Blackcap 16, Chiffchaff 2, Willow Warbler 2, Tree Sparrow 1, Eurasian Siskin 11, European Goldfinch 1. Total = 61.

Observations: More windy conditions inspired some raptor movements: 203 Eurasian Sparrowhawks (new BO record) migrated NE, also in the area 1 Goshawk, 10+ Peregrines, 10-15 Common Kestrel, 2 Marsh Harrier, 2 Common Buzzards, 2-3 White-tailed Eagles, 1 Osprey.

Alf Tore Mjös + 9 visitors/raptor counters