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Article
J. Jones, Auteur ; W. J. McLeish, Auteur ; R. J. Robertson, AuteurThis study investigated the accuracy of 50-m fixed-radius, 100-m fixed-radius, and variable circular-plot point counts to estimate the actual density of breeding Cerulean Warblers (Dendroica cerulea) during the 1997 and 1998 breeding seasons, in[...]
Article
J. J. Barg, Auteur ; J. Jones, Auteur ; R. J. Robertson, Auteur1. The goals of this study were to investigate the possibility of using kernel techniques to estimate male breeding territory size and delineate core areas, focusing on a small nontransmitter bearing bird, the cerulean warbler. We then compared [...]
Article
S. K. Male, Auteur ; J. Jones, Auteur ; R. J. Robertson, AuteurIn territorial species, increased density is often linked to all increase in aggressive interactions, which may, result in trade-offs between competitive behavior and nest construction We examined the impact of nestin ' g in areas of high-densit[...]
Article
M. F. Clarke, Auteur ; D. A. Jones, Auteur ; J. G. Ewen, Auteur ; R. J. Robertson, Auteur ; R. Griffiths, Auteur ; J. Painter, Auteur ; P. T. Boag, Auteur ; R. Crozier, AuteurWe examined the sex ratios of adults and nestlings in the cooperatively breeding bell miner Manorina melanophrys. Males were over-represented among helpers (mean of 6.8 male helpers per nest compared to 0.3 female helpers). 58% of nestlings samp[...]
