Try this from www.cr-birding.be
Wingtags with code on both wings.
Roy S. Leigh, 10 Mere Road, Higher Marston, Northwich, Cheshire, CW9 6DR UK.
e-mail:
[email protected]
note 1: during 2000 orange, during 2001 green and during 2002 yellow wingtags wile be used.
note 2: the code consists...