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
Roland-Jan Buijs - ringer. Attaching darvic rings at location Moerdijk and reading rings at various location in SW Netherlands.
Colony Moerdijk: Alarming birds. Origin of most of the tibia-rings attached to Herring and Lesser-Black-backed Gulls.
Spinder waste dump. Feeding dump in the vicinity of the colony.