Easton Birds
Ringing 2009
Examining wing of Parus major
Primary coverts are older than secondaries in young bird
Weight was 18 gm
Log shows Parus major "Greti" weighs near twice "Bluti"
Dendrocopos major gets size C ring - smaller birds had size A
Swan ring and AA rings for Long-tailed Tit, Goldcrest or Wren