http://www.birdforum.net/showpost.php?p ... count=1128Theo Muusse wrote:Of course, but the p10 mirror in 2cy birds is not diagnostic.
I lost a mystery quiz by naming a 2cy mich with mirrors on p10 a cach...
Theo
Check the asymmetrical pattern of the mirrors on p10 in both wings of the 2cy Yellow-legged Gull in the link above. Note especially the pattern of p10 in the left wing, it seems that the large mirror merge with white at the underside of the inner-web of p10. I have never seen a 2cy with such large mirror/pattern on p10 as on this one!
Ies