Détail de l'auteur
Documents disponibles écrits par cet auteur (6)
Ajouter le résultat dans votre panier Affiner la recherche
Article
J. Wright, AuteurZahavi (1995) refutes the logic of kin selection and reciprocity, and proposes an alternative signalling explanation for the evolution of altruism. This paper expands upon Zahavi's promising "altruism as a handicap" argument, in which "altruists[...]
Article
P. G. McDonald, Auteur ; A. J. N. Kazem, Auteur ; M. F. Clarke, Auteur ; J. Wright, Auteur
Article
S. Markman, Auteur ; B. Pinshow, Auteur ; J. Wright, Auteur ; B. P. Kotler, Auteur1. Despite its importance in the evolution of central-place foraging strategies, few studies have distinguished between patch use by parent birds for their own consumption vs. patch use for the purpose of provisioning young in the nest. 2. Adult[...]
Article
J. Wright, AuteurThe effect of group size on the productivity of communally-breeding bird species has for many years been linked with the various adaptive explanations for helping-at-the-nest. This study examines the effect of group size on group provisioning ef[...]
Article
T. L. F. Martins, Auteur ; J. K. Blakey, Auteur ; J. Wright, AuteurThe frequency of extra-pair paternity in a wild colony of swifts Apus apus was determined by multilocus DNA fingerprinting in two successive breeding seasons. The data were used to examine the expectation that extra-pair paternity is frequent in[...]
Article
SC WHITEHEAD, Auteur ; J. Wright, Auteur ; PA COTTON, AuteurA regular census of an Oxfordshire farm, U.K., showed that the resident Starlings Sturnus vulgaris preferred to feed in established pasture fields. Fields which were closer to the daytime roost, provided feeding areas further from hedges, and ha[...]
