Moerdijk Field Research 2005-2006
(last update: 14 August 2010)
Roland-Jan Buijs
Theo Muusse
Mars Muusse
Introduction
Methods
Age, origin & sex
Retrapped Birds
Upperparts Greytone
Black on Primary Coverts
Black on Primaries
P10 and P9 Patterns
P5 Pattern
Red & Black on Bill
Iris & Orbital Ring
Primary Moult
Discussion
References
Larus fuscus graellsii adult C4, 06 May 2005 & 15 May 2006, Moerdijk; March 09 2009, Dordrecht, the Netherlands.
below: C4 March 09 2009, Dordrecht, the Netherlands.
Ringed adult graellsii "Dutch intergrade", ringed by Roland-Jan Buijs at Moerdijk. Early in the season back. Looking for possible feeding places for next breeding season?
below: Larus fuscus graellsii adult C4, 06 May 2005.
below: Larus fuscus graellsii adult C4, 15 May 2006.
