Moerdijk Field Research 2005-2006

(last update: 14 August 2010)
coordinators: 
Roland-Jan Buijs
Theo Muusse
Mars Muusse

Home

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 5cy-6cy S7 21 May 2005 & April 09 2006, Moerdijk, the Netherlands.

Lesser Black-backed Gull (graellsii) adult S7 April 09 2006, Dordrecht, the Netherlands.