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In an attempt to answer questions about movement and breeding ecology of BHGull, a colourring-project was set up in 2009 in Molsbroek Nature reserve (Lokeren, East-Flanders province, Belgium). In 2010 the project extended with breeding colonies in Lommel (Limburg province, Belgium), Ghent (East-Flanders province) and around the port of Antwerp (East-Flanders and Antwerp provinces, Belgium). In 2011 the project started too in Het Vinne Nature reserve (Zoutleeuw, Flemish Brabant province).
The focus mainly is on juvenile birds. Fitness, survival, site fidelity and exchange between colonies will be followed up. The gulls are ringed with a yellow colourring with black inscription on the left tarsus and a scientific metal ring on the right leg. The used codes on the colourring start with letter E, followed by a combination of three letters EAAA-EZZZ.
Sightings of colourringed BHGulls should be reported to Tim Audenaert
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