Yellow-legged
Gull - Larus michahellis
(last update: October 08 2013)
Coordinators:
Delfín González
Gabriel Martín
Antonio Gutierrez
Amir Ben Dov
Mars Muusse
Yellow-legged Gull michahellis DB 5CY-9CY, 2011-2015, the Netherlands. Picture: Maarten van Kleinwee, Merijn Loeve & Mars Muusse.
Bird ringed as as 1CY on September 30 2007 at IJmuiden, The Netherlands. Maybe from southern regions of Europe, but it could also be an offspring of Dutch hybrid (Lesser Black-backed Gull) parents.
below: Yellow-legged Gull michahellis DB 9CY, September 2015, Alphen a/d Rijn, the Netherlands. Picture: Merijn Loeve.
P6/P9. Active moult in rectrices.
below: Yellow-legged Gull michahellis DB 7CY, October 20 2013, Katwijk, the Netherlands. Picture: Maarten van Kleinwee.
Visit Maarten's blog: Gulls to the Horizon.
P9-P10 growing. Still black on bill and only small gonys spot. Black on P4.
below: Yellow-legged Gull michahellis DB 6CY, August 20 2012, Katwijk, the Netherlands.
P5 fully grown, P8-P10 old. Speckled iris. Gonys spot only weakly developed.
below: Yellow-legged Gull michahellis DB 5CY, August 12 2011, Barneveld, the Netherlands. Picture: Maarten van Kleinwee.
Black in tail. Dark iris. P1 to P4 are new and fully grown, P5 is almost fully grown, P6 is half grown, P7 has been dropped. All of the greater coverts have been dropped.
