VAN MANEN W House Sparrow Passer domesticus and Tree Sparrow P. montana in the Netherlands, 42 years of monitoring [samenvatting] [summary] [pdf only for members]
STRUCKER R.C.W. Changes in breeding bird numbers and habitats in the tidal freshwater zone along the river Oude Maas [samenvatting] [summary] [pdf only for members]
HULSCHER JB, NIENHUIS J & VOSLAMBER B Accidental, voluntary or forced adoption by Greater Canada Goose Branta canadensis? [samenvatting] [summary] [pdf only for members]
NIENHUIS J, HULSCHER JB & VOSLAMBER B A neck band as a distinguishing feature of recognition for a Greater Canada Goose Branta canadensis gosling by its family [samenvatting] [summary] [pdf only for members]
SCHOPPERS J Magpies Pica pica nesting on buildings [samenvatting] [summary] [pdf only for members]
POTTERS H Remarkable winter concentrations of Blue Tits Cyanistes caeruleus in Golden Larch Larix kaempferi plots [samenvatting] [summary] [pdf only for members]
VAN ELS P, VAN WINDEN E, KLAASSEN O, SOLDAAT L & VAN TURNHOUT C A decade of national roost counts in the Netherlands [samenvatting] [summary] [pdf only for members]
SPAANS AL In memoriam: Dr. C. Swennen (1929-2020) died [samenvatting] [pdf only for members]
|