| Titre : | Journal of Field Ornithology 85(2) - JUN 2014 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Francesco Ceresa, Auteur ;
Eduardo J. Belda, Auteur ;
Juan S. Monrós, Auteur
Emetics can be used to obtain food samples from birds, but they can harm birds during or after treatment. Studies to date suggest that apomorphine is a safe emetic for songbirds, but information is needed about possible post-release deleterious [...]
Article
William A. Searcy, Auteur ;
Kendra B. Sewall, Auteur ;
Jill Soha, Auteur ;
Stephen Nowicki, Auteur ;
Susan Peters, Auteur
Male Song Sparrows (Melospiza melodia) sometimes interact with neighboring territory owners by song-type matching or repertoire matching. In some Song Sparrow populations, levels of song sharing are high and most neighbors can interact by matchi[...]
Article
Katerina Sam, Auteur ;
Bonny Koane, Auteur ;
Samuel Jeppy, Auteur ;
Vojtech Novotny, Auteur
Tropical forests worldwide are being fragmented at a rapid rate, causing a tremendous loss of biodiversity. Determining the impacts of forest disturbance and fragmentation on tropical biotas is therefore a central goal of conservation biology. W[...]
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
Shade coffee has been identified as an important habitat for Nearctic-Neotropical migrants during the non-breeding season, including species of conservation concern such as Cerulean Warblers (Setophaga cerulea). To better understand habitat feat[...]
Article
Mark E. Deutschlander, Auteur ;
Robert C. Beason, Auteur
Site fidelity to breeding and wintering grounds, and even stopover sites, suggests that passerines are capable of accurate navigation during their annual migrations. Geolocator-based studies are beginning to demonstrate precise population-specif[...]
Article
John Davenport, Auteur ;
Michael J. A. O'Callaghan, Auteur ;
Julia L. Davenport, Auteur ;
Thomas C. Kelly, Auteur
Dropping live mussels (Mytilus sp.) onto hard substrata by Carrion Crows (Corvus corone) and Hooded Crows (Corvus cornix) to access their flesh is a commonly observed behavior from late summer to spring in the United Kingdom and Ireland. Despite[...]
Article
Joseph M. Niederhauser, Auteur ;
Reed Bowman, Auteur
Human modification of habitats can reduce reproductive success by providing novel cues to which birds may respond with behaviors that are actually maladaptive in those environments. Ad libitum human-provided foods may provide the perception that[...]
Article
Ashley Morrison, Auteur ;
Nancy J. Flood, Auteur ;
Matthew W. Reudink, Auteur
Many studies have shown that the plumage coloration of male birds can act as an honest signal of quality, indicating benefits that a female could gain from pairing with a specific male. In some species, females also display ornamental plumage, b[...]
