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Article
Alexander N. Banks, Auteur ; Humphrey Q. P. Crick, Auteur ; Rachel Coombes, Auteur ; Stuart Benn, Auteur ; Derek A. Ratcliffe, Auteur ; Elizabeth M. Humphreys, AuteurCapsule Numbers of breeding Peregrines are now higher than ever recorded and the recovery of the species within the UK has continued since 1991. Aims To estimate the current Peregrine breeding population and its changes over time by recording br[...]
Article
Karl L. Evans, Auteur ; David I. Leech, Auteur ; Humphrey Q. P. Crick, Auteur ; Jeremy J. D. Greenwood, Auteur ; Kevin J. Gaston, AuteurDans Bird Study (56 2009)Capsule Daylength, rather than latitude, was found to be an important determinant of variation in clutch size. Aims To describe the nature of spatial and temporal variation in clutch size, and explore the ecological correlates of these patterns.[...]
Article
Karl L. Evans, Auteur ; David I. Leech, Auteur ; Humphrey Q. P. Crick, Auteur ; Jeremy J. D. Greenwood, Auteur ; Kevin J. Gaston, AuteurDans Bird Study (56 2009)Capsule Daylength, rather than latitude, was found to be an important determinant of variation in clutch size. Aims To describe the nature of spatial and temporal variation in clutch size, and explore the ecological correlates of these patterns.[...]
Article
Robert A. Robinson, Auteur ; Stephen R. Baillie, Auteur ; Humphrey Q. P. Crick, AuteurUnderstanding demographic processes will be essential to construct robust models of population responses to climate change. We show that survival is related to the strength of the North Atlantic Oscillation in five out of ten British resident pa[...]
Article
Stuart E. Newson, Auteur ; David I. Leech, Auteur ; Chris M. Hewson, Auteur ; Humphrey Q. P. Crick, Auteur ; Phil V. Grice, AuteurSeveral woodland bird species have declined markedly in abundance in England over the past 40 years, whilst the grey squirrel Sciurus carolinensis, a non-native nest predator, has increased. Given the timing, there has been concern that grey squ[...]
Article
Piotr Tryjanowski, Auteur ; Tim H. Sparks, Auteur ; Humphrey Q. P. Crick, AuteurWe compare the breeding ecology of Red-backed Shrike Lanius collurio prior to its effective extinction (in 1990) as a breeding bird in the UK with that of a stable population in southwestern Poland. We use breeding performance data derived from [...]
