Jan Kolsters & Pieter Wouters Supply of wasp nests and predation by Honey Buzzard Pernis apivorus in a Dutch brook valley in 2020-22 [samenvatting] [summary] [pdf only for members]
Romke Kleefstra From reed vegetation into Sea Buckthorn thickets: habitat switch of Western Marsh Harrier Circus aeruginosus on the Dutch Wadden Sea island of Schiermonnikoog [samenvatting] [summary] [pdf only for members]
Herman van Oosten, Christian Kampichler & Hubert Kivit Increase of insectivorous birds in Dutch coastal dunes since 1982 [samenvatting] [summary] [pdf only for members]
Erik Kleyheeg, Chris van Turnhout, Joost van Bruggen, Roland-Jan Buijs, Thijs Glastra & Pim Wolf Population trends and monitoring of rooftop-breeding Herring Gulls Larus argentatus and Lesser Black-backed Gulls L. fuscus in the Netherlands [samenvatting] [summary] [pdf only for members]
