Citation
Bolton, M., Bamford, R., Blackburn, C., Cromarty, J., Eglington, S., Ratcliffe, N., Sharpe, F., Stanbury, A. & Smart, J. 2011. Assessment of simple survey methods to determine breeding population size and productivity of a plover, the Northern Lapwing Vanellus vanellus. Wader Study Group Bulletin 118: 152.