Friday, 22 January 2016

Ringing data


The provisional figures for bird ringing completed by members of the Northants Ringing Group in 2015 has been compiled by our secretary Nick Wood. Most of the birds were captured in the county with a couple of regular sites just over the county border. Total captures are calculated at 11,851 made up of 7,455 new birds, 1,314 nestlings and 3,082 re-traps/controls. With two other active ringing groups in the county it looks as if 2015 will be another successful year for Northamptonshire despite the frustrating catching conditions of late autumn and December.

More interesting recoveries include an adult female Great Tit that was re-caught at Pitsford Reservoir on Wednesday which was first ringed as a juvenile there in July 2010 meaning that she will have attained six years if she survives to the summer. Dave Francis has been informed of a recent Blue Tit re-capture which confirms that this bird is seven years old, very old indeed for a Blue Tit.

An adult female Lesser Redpoll caught at Linford Lakes (Milton Keynes) on 22nd November 2015 was first caught at Icklesham, East Sussex on 27th November 2013. An adult female Blackbird processed at Woodford Halse Nature Reserve on 1st November 2015 was first ringed as long ago as 24th August 2011 at Wanlip Gravel Pits, Leicestershire. She was aged as an adult when first ringed so I wonder what caused her to relocate 60km to the south?


Neil M

Female Blackbird

Blue Tit

Great Tit

Lesser Redpoll

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