April 2011 – vol. 104, issue 4, pp 202–216 Graham W. Rebecca Abstract Over 1,000 Merlin Falco columbarius nest records were analysed following a national survey in Britain in 1993-94. The broad-scale principal habitat, altitude and nest-site were assessed in relation to clutch size, successful brood size and productivity for 13 study areas. The majority of breeding areas (87.5%) were found in five moorland ty... This article is only available to registered users.To read more, please log in or purchase a subscription.