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Ruud Visser
Data Scientist — Photographer — Birdwatcher
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Kruiswoordpuzzels
Puzzels
Uitleg en tips
Photography
Galleries
Albums
Chile (2017)
Königssee (2016)
Noiseux (2005)
Costa Brava (2005)
Barcelona (2005)
Girona (2005)
Turkey (2004)
Norway (2004)
Berlin (2003)
Zwiesel (2002)
South Africa & Mauritius (2001)
Birding
Life List
2019 Year List
2018 Year List
2017 Year List
2016 Year List
2015 Year List
2014 Year List
Astronomy
Refereed papers
Conference proceedings
Talks
Outreach & popular science
Posters
PhD thesis
Fireworks in Leiden (2007)
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