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Documents disponibles écrits par cet auteur (15)
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Article
P. Styles, Auteur ; R. Patchett, Auteur ; J. Robins King, Auteur ; W. Cresswell, AuteurDispersal to efficiently locate future breeding areas in young animals has important consequences for survival, life history and future breeding success, and therefore population dynamics and evolution. Long-distance migrant birds that have litt[...]
Article
P. Jackson, Auteur ; W. Cresswell, AuteurCapsule: Early nesting Barn Owls Tyto alba and those that switched nest sites fledged most chicks overall because they could fit two, more productive, nesting attempts into a breeding season.Aims: To determine the frequency and productivity of d[...]
Article
S. Manu, Auteur ; W. Peach, Auteur ; W. Cresswell, AuteurAlmost nothing is known of the effects of forest fragmentation on bird diversity within the heavily degraded and fragmented forest remnants in West Africa. We examined the effects of edge, fragment size and isolation on bird species richness in [...]
Article
J. Lind, Auteur ; W. Cresswell, AuteurPredation and predation risk have recently been shown to have profound effects on bird migration, but we still know relatively little about how birds respond to predation risk en route and how this is translated into fundamental aspects of optim[...]
Article
R. Macleod, Auteur ; P. Barnett, Auteur ; J. A. Clark, Auteur ; W. Cresswell, Auteur1. It is theoretically well established that body mass in birds is the consequence of a trade-off between starvation risk and predation risk. There are, however, no studies of mass variation from sufficiently large wild populations to model in d[...]
Article
W. Cresswell, Auteur ; M. Hughes, Auteur ; R. Mellanby, Auteur ; S. Bright, Auteur ; P. Catry, Auteur ; J. Chaves, Auteur ; J. Freile, Auteur ; A. Gabela, Auteur ; H. Martineau, Auteur ; R. Macleod, Auteur ; F. Mcphie, Auteur ; N. Anderson, Auteur ; S. Holt, Auteur ; S. Barabas, Auteur ; C. Chapel, Auteur ; T. Sanchez, AuteurThe montane cloud-forests of the north-central Andes and the montane grassland and transitional elfin forest of the central Andean paramo contain a high diversity of bird species including several restricted range and uncommon species. Little is[...]
Article
R. Macleod, Auteur ; A. G. Gosler, Auteur ; W. Cresswell, Auteur1. Individual animals optimize their body mass to enhance fitness and mass is expected to be optimized over both short and long time-scales. On the short time-scale small birds increase mass as they build up energy reserves over each day to avoi[...]
Article
A. McGowan, Auteur ; W. Cresswell, Auteur ; G. D. Ruxton, AuteurWe studied Red Knot Calidris canutus foraging on intertidal mudflats that were subject to attacks by Peregrine Falcons Falco peregrinus. Foraging rate and position with respect to cover that a predator might use was unaffected by weather, but re[...]
Article
S. Manu, Auteur ; W. Peach, Auteur ; C. Bowden, Auteur ; W. Cresswell, AuteurThe lbadan Malimbe Malimbus ibadanensis is a globally Endangered but poorly known forest species endemic to a small region of south-western Nigeria, where almost all forest has been severely fragmented. We carried out the first comprehensive sur[...]
Article
W. Cresswell, Auteur ; S. Yerokhov, Auteur ; N. Berezovikov, Auteur ; R. Mellanby, Auteur ; S. Bright, Auteur ; P. Catry, Auteur ; J. Chaves, Auteur ; J. Freile, Auteur ; A. Gretton, Auteur ; A. Zykin, Auteur ; R. McGregor, Auteur ; D. McLaughlin, AuteurDans Wildfowl (50 1999)Kazakstan is an important country for migratory birds passing from Siberia to the north and east to their wintering grounds in Africa, the Middle East and India. Kazakstan also has globally important breeding populations of White-headed Duck and[...]
Article
T. E. Davies, Auteur ; I. R. A. Fazey, Auteur ; W. Cresswell, Auteur ; N. Pettorelli, AuteurPro-poor conservation strategies are touted as a panacea for achieving biodiversity conservation and poverty reduction, yet there remains limited evidence for success in achieving these dual objectives. Is this lack of evidence a sign that the a[...]
Article
M. Watson, Auteur ; J. M. Wilson, Auteur ; M. Koshkin, Auteur ; B. Sherbakov, Auteur ; F. Karpov, Auteur ; A. Gavrilov, Auteur ; H. Schielzeth, Auteur ; M. Brombacher, Auteur ; N. J. Collar, Auteur ; W. Cresswell, AuteurThe Sociable Lapwing Vanellus gregarius is a critically endangered species, probably declining from 5000 pairs to 500 pairs in 11 years. Fieldwork was conducted at two sites in Kazakhstan, May-August 2004, to identify causes of the species' decl[...]
Article
D. P. Whitfield, Auteur ; W. Cresswell, Auteur ; N. P. Ashmole, Auteur ; N. A. Clark, Auteur ; A. D. Evans, AuteurDuring a 10-year study at two adjacent Scottish sites we tested the null hypotheses that Sparrowhawks Accipiter sisus selected overwintering Redshanks Tringa totanus independently of body size and condition, There was no significant difference i[...]
Article
W. Cresswell, Auteur ; M. Irwin, Auteur ; M. Jensen, Auteur ; A. Mee, Auteur ; R. Mellanby, Auteur ; M. McKean, Auteur ; L. Milne, AuteurThe density of landbird species within different habitats, and presence within 4 ha squares, on Silhouette Island were recorded in August 1996, repeating a previous survey (January 1979). Densities of the four most common species were calculated[...]
Article
P. Catry, Auteur ; A. Campos, Auteur ; V. Almada, Auteur ; W. Cresswell, AuteurBirds often show some form of social segregation during winter, both at large geographical scales (a consequence of differential migration) and at the regional or local level, when comparing different habitats or micro-habitats. However, our und[...]
