EURING Code Manual - The European Union for Bird Ringing

Pectoral Muscle Scoreinteger, one digitA single numeric code to describe state of pectoral muscle.0 Sternum sharp, muscle depressed1 Sternum easy to distinguish, muscle neither depressed nor rounded.2 Sternum still discernible, muscle slightly rounded.3 Sternum difficult to distinguish, Muscle fully rounded.Brood Patchalphanumeric, one characterA single character to describe, in chronological order, the state of the brood patch in the breedingseason. If a brood patch is present, but its state has not been recorded, use code P.0 no patch detectable1 starting2 well-defined3 veined and red4 wrinkled5 feathering overP PresentPhotographs illustrating these codes can be downloaded from:http://www.bto.org/ringing/resources/downloads/index.htmPrimary Scoreinteger, 2 digitsThe sum of the (usually 10) primary scores. (see Primary Moult for details). For birds (e.g. finches)where the outermost primary is minute, the score may be out of 45 rather than 50. For birds with 11primaries, the outermost, tiny primary is ignored. Scores of V or X are regarded as zero.EURING exchange-code 2000 Enhanced 32 - 42