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Saturday, 22 June 2019

Two more RAS sessions

Jerry started the "jetty season" off on 21st June, and given the sunshine/increasing breeze strength, had a decent catch of 21 + (13), comprising mainly the "target species". About 25 Swift were flying low over the reeds for the first hour, but they could see (and managed to flip over), the nets. The catch comprised Chiffchaff 1, Cettis Warbler 1 (a recently fledged juvenile), Reed Warbler 17 + (11), Blackcap 1, Blue Tit 1 + (1) and Reed Bunting (1). The oldest Reed Warbler was ringed as a juvenile in 2015, and was caught six times in 2017 (not caught in 2016 or 2018), always at the jetty. Only four juvenile Reed Warbler were caught, more would have been expected by now, but maybe they haven't had a very successful breeding season with the wet weather.

On 22nd, he returned to rb2 (with Rachel), but the forecast for high cloud turned out to be a clear blue sky. Unsurprisingly the "reed nets" caught very little, but the more shaded "tree nets" did better, once the sun had moved round. The catch of 19 + (11) was made up of Blackbird (2), Chiffchaff 7, Willow Warbler 1, Reed Warbler 2 + (5) - just one "new" retrap to contribute to the RAS, Blackcap 3 + (1), Long-tailed Tit 1 + (1), Blue Tit 5, Treecreeper (1) and Reed Bunting (1). Although a relatively small catch, it gave Rachel her first opportunity to handle some warblers, and to use feather wear as an ageing criteria. On leaving, a Common Sandpiper was on the point, and two Lapwing, with two flying juveniles, were over the point field.

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