| Titre : | Journal of Field Ornithology 91(1) - 2020 |
| Type de document : | Bulletin |
| Paru le : | 01/03/2020 |
Dépouillements
Article
Ronald A. Fernández Gómez, Auteur ;
Jorge E. Morales‐Mávil, Auteur ;
J. Roberto Sosa‐López, Auteur
Phenotypic traits such as songs are important in species recognition. Variation in acoustic traits can form barriers to gene flow and promote speciation. Therefore, understanding song divergence is crucial in groups with controversial taxonomy s[...]
Article
Matthew D. Palumbo, Auteur ;
Jackson W. Kusack, Auteur ;
Douglas C. Tozer, Auteur ;
Shawn W. Meyer, Auteur ;
Christian Roy, Auteur ;
Keith A. Hobson, Auteur
Determining the source areas of harvested individuals is important for effective conservation and management of migratory game birds. Banding has provided much information about source areas, but obtaining samples of marked individuals represent[...]
Article
Lucas I. Pavan, Auteur ;
Jill E. Jankowski, Auteur ;
Jenny A. Hazlehurst, Auteur
For many territorial hummingbirds, habitat use is influenced primarily by the interaction between resource acquisition and non-foraging behaviors such as territory advertisement and defense. Previous research has highlighted the importance of fo[...]
Article
Macy L. Kenney, Auteur ;
James R. Belthoff, Auteur ;
Matthew Carling, Auteur ;
Tricia A. Miller, Auteur ;
Todd E. Katzner, Auteur
The behavior of wildlife varies seasonally, and that variation can have substantial demographic consequences. This is especially true for long-distance migrants where the use of landscapes varies by season and, sometimes, age cohort. We tested t[...]
Article
Charlotte L. Roy, Auteur ;
John H. Giudice, Auteur ;
Chris Scharenbroich, Auteur
Reliable information about population status, trends, and the current distribution of Spruce Grouse (Falcipennis canadensis) is needed, but questions remain concerning the best method to use to conduct surveys. We evaluated two methods to survey[...]
Article
Mariana Tolentino, Auteur ;
Marina Anciães, Auteur
Forest fragmentation can affect various aspects of population dynamics, but few investigators have assessed possible effects on the behavior of a species. Loss of habitat may limit population recruitment and abundance, which may alter breeding d[...]
Article
Gustavo J. Fernández, Auteur ;
Mariana E. Carro, Auteur ;
Paulo E. Llambías, Auteur
Studies of variation in breeding parameters are often based on temporal analyses of a single population. However, to differentiate between the effects of regional and local factors, neighboring populations with limited interpopulational dispersa[...]
