LENSINK R, OTTENS G, & HAVE VAN DER T Alien bird species in the Dutch avifauna: a story of colonisation and expansion [samenvatting] [summary] [pdf only for members]
WINDEN VAN DER J, ELZEMAN S, HORSSEN VAN P, STIP A, CLEMENTS R, VERBEEK R & TERLOUW S Onset of Purple Heron Ardea purpurea migration from the Netherlands [samenvatting] [summary] [pdf only for members]
OOSTERHUIS R Dispersion of House Sparrows in a suburban and a rural population [samenvatting] [summary] [pdf only for members]
FIKKERT C Skillful fishing by a Water Pipit Anthus spinoletta [samenvatting] [summary] [pdf only for members]
TULP I & KLEEFSTRA R Someone else Feathers [samenvatting] [summary] [free pdf]
DIJK VAN AJ, NOBACK M, TROOST G, VERGEER JW, SIERDSEMA H & TURNHOUT VAN C Introduction of Autocluster softwarein the Breeding Bird Monitoring Program [samenvatting] [summary] [free pdf]
Book review: Jacob JP, ... (et al), 2010 Atlas des oiseaux nicheurs de Wallonie 2001-2007 [samenvatting] [summary] [free pdf]
Book review: Korpimä E, ... (et al), 2012 The Boreal Owl [samenvatting] [summary] [free pdf]
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