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Article
Raymond Klaassen, Auteur ; Marcel Sandifort, Auteur ; Benjamin Muis, AuteurHere we present a simple setup to picture birds in the hand with a smartphone. By controlling the background and light conditions, and using a remote shutter, it proved possible to take standardised high-quality pictures of birds and details of [...]
Article
Raymond Klaassen, Auteur ; Almut E. Schlaich, Auteur ; Willem Bouten, Auteur ; Christiaan Both, Auteur ; Ben J. Koks, AuteurA small breeding population (3-5 pairs) of Hen Harriers recently established in the east of the province of Groningen, the Netherlands, in large scale arable farmland. We equipped three adults, two males and one female, with UvA-BiTS GPS loggers[...]
Article
Ingrid Tulp, Auteur ; Hans Schekkerman, Auteur ; Joep de Leeuw, Auteur ; Raymond Klaassen, AuteurOf all arctic breeding waders, Little Stints are among the smallest. They are uniparental breeders: the female produces two clutches and the male and female each take care of one clutch (fig. 1). The combination of their small size, arctic distr[...]
Article
Raymond Klaassen, Auteur ; Henk Klaassen, Auteur ; Andries Berghuis, Auteur ; Miranda Berghuis, Auteur ; Kees Schreven, Auteur ; Youri van der Horst, Auteur ; Hein Verkade, Auteur ; Lyndon Kearsley, AuteurIn 2010-2012 12 individual Common Swifts Apus apus were tracked using light-level geolocators from three breeding colonies in the Netherlands, in Groesbeek, Noordhorn and Noordwijk. Four individuals were tracked for two subsequent seasons (hence[...]
Article
Raymond Klaassen, Auteur ; Jeroen Reneerkens, AuteurResearch in the Netherlands knows a long history in bird tracking studies. In this introduction to the special issue of Limosa on bird tracking, we provide an overview of different bird tracking techniques (Tab. 1), and their use in the Netherla[...]
