I always had an interest in the status and (temporal) distribution of birds, common or rare, in the Netherlands or elsewhere on the planet. Why? I love patterns. This section has two parts: one with the analyses of (mainly very scarce) Dutch birds. 


The second section is a project I started in 2018: movements of passerines between Europe and Asia, based on rings. 

The Asian connection

Scarce birds in the Netherlands

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Arnhem AEB413

18 October 2014, Meijendel, Wassenaar, the Netherlands

© 2018 by Vincent van der Spek