Yellow-legged Gull - Larus michahellis

(last update: October 08 2013)

Delfín González
Gabriel Martín
Antonio Gutierrez
Amir Ben Dov
Mars Muusse

Yellow-legged Gull michahellis group, July 27 2001, Etaples, France (50.44N,01.35E). 

Left to right: Wing raising adult with P8-P10 old (& P4 fully grown), adult with P8-P10 old (& P3 fully grown) and a 3CY with P8-P10 old and P5 at the length of P4 (hence classified P5 fully grown in our scores).