P8 fully grown, P9 at the length of P7. Date 30 October.
We scored micha's at Etaples, NW France, most birds from S France origin probably (but also Swiss, Italian), based on the rings we have seen there.
See this section to view results of that scoring (scroll down to TABLES:
http://www.gull-research.org/ylgadsubad ... 6cyoct.htm
Copy this table here makes no sense...
Conclusion: by 25 Oct, P9 longer than P8 was the most common score... But P8 f.g. was possible
michahellis adult: score of fully grown new primaries, 2002 Pas-de-Calais (Etaples - Boulogne sur Mer, NW France, 50.43N-01.37E.
. P7 new P8 new P9 new P10 new m = n = SD =
04 Oct 6 105 3 - 7.9 115 0.54
05 Oct 2 54 8 - 8.0 65 0.74
24 Oct - 5 18 9 9.1 32 0.66
25 Oct - 1 23 13 9.3 37 0.53
Notes:
- adults identified by primary covert pattern, bare part coloration and wing-tip pattern.
- fully grown primary: the longest primary in the folded wing, visibly exceeding the previous primary.