| Titre : | Journal of Field Ornithology 85(3) - SEP 2014 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Erin A. Roche, Auteur ;
Colin M. Dovichin, Auteur ;
Todd W. Arnold, Auteur
Implicit assumptions for most mark-recapture studies are that individuals do not lose their markers and all observed markers are correctly recorded. If these assumptions are violated, e. g., due to loss or extreme wear of markers, estimates of p[...]
Article
Felicity L. Newell, Auteur ;
Tiffany-Ahren Beachy, Auteur ;
Amanda D. Rodewald, Auteur ;
Carlos G. Rengifo, Auteur ;
Ian J. Ausprey, Auteur ;
Paul G. Rodewald, Auteur
Birds require additional resources for raising young, and the breeding currency hypothesis predicts that insectivorous species exploit large soft-bodied prey during the breeding season, but shift to small, likely hard-bodied, prey during the non[...]
Article
Kirtland's Warblers (Setophaga kirtlandii) are an endangered species with specialized habitat requirements, and the only documented nesting location in Canada is an Army installation. From 2007 to 2010, I compared habitat characteristics of site[...]
Article
Ross J. Kresnik, Auteur ;
Bridget J. M. Stutchbury, Auteur
For long-distance migrants, territoriality and prey biomass during the non-breeding season have been linked to body condition that can carry over to affect spring migration and breeding events. For Ovenbirds (Seiurus aurocapilla), studies in Jam[...]
Article
Melissa E. McLaughlin, Auteur ;
William M. Janousek, Auteur ;
John P. McCarty, Auteur ;
L. LaReesa Wolfenbarger, Auteur
Tallgrass prairies are among the most threatened ecosystems in the world. Remaining prairies tend to be small and isolated and many are associated with urban and suburban landscapes. We asked how urbanization might impact the conservation value [...]
Article
Article
Keith A. Hobson, Auteur ;
Steven L. Van Wilgenburg, Auteur ;
John Faaborg, Auteur ;
Judith D. Toms, Auteur ;
Carlos Rengifo, Auteur ;
Alejandro Llanes Sosa, Auteur ;
Yves Aubry, Auteur ;
Rafael Brito Aguilar, Auteur
There is an overdue and urgent need to establish patterns of migratory connectivity linking breeding grounds, stopover sites, and wintering grounds of migratory birds. Such information allows more effective application of conservation efforts by[...]
Article
Article
Ingrid L. Pollet, Auteur ;
April Hedd, Auteur ;
Philip D. Taylor, Auteur ;
William A. Montevecchi, Auteur ;
Dave Shutler, Auteur
Accumulating evidence suggests that Atlantic populations of Leach's Storm-Petrels (Oceanodroma leucorhoa) are experiencing significant declines. To better understand possible causes of these declines, we used geolocators to document movements of[...]
Article
Charles R. Brown, Auteur ;
Erin A. Roche, Auteur ;
Mary Bomberger Brown, Auteur
Variation in group size is characteristic of most social species. The extent to which individuals sort among group sizes based on age may yield insight into why groups vary in size and the age-specific costs and benefits of different social envi[...]
Article
Mariana E. Carro, Auteur ;
Myriam E. Mermoz, Auteur ;
Gustavo J. Fernández, Auteur
Seasonal fecundity of birds is influenced by clutch sizes and the number of successful breeding attempts during a breeding season. As such, understanding the factors that determine the decision to initiate multiple broods within a season and the[...]
Article
Article
