SPAANS B, LEOPOLD M & LOOS B Estimating the number of terns visiting a breeding colony of Sandwich Terns Thalasseus sandvicensis on Texel, the Netherlands
[samenvatting] [summary] [pdf only for members]

VAN DER KOOIJ H Counting nests of Purple Herons Ardea purpurea using drones
[samenvatting] [summary] [pdf only for members]

FEENSTRA M, UBELS B & GEERTSMA M Mixed breeding of a male Red-backed Shrike Lanius collurio and a female Woodchat Shrike L. senator in the Netherlands
[samenvatting] [summary] [pdf only for members]

LENSINK R & PILZECKER J Are the timing of arrival and departure of Barn Swallow Hirundo rustica in the Netherlands correlated?
[samenvatting] [summary] [pdf only for members]

LENSINK R Arrival of Great Egrets Ardea alba on roosts: difference between adults and juveniles
[samenvatting] [summary] [pdf only for members]

BRINKMAN C Song Thrush Turdus philomelos eating a Common Frog Rana temporaria
[samenvatting] [summary] [pdf only for members]

KLEEFSTRA R Andermans Veren
[samenvatting] [free pdf]