| Titre : | Journal of Field Ornithology 86(1) - mars 1, 2015 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Amy-Lee Kouwenberg, Auteur ;
Donald W. McKay, Auteur ;
Michelle G. Fitzsimmons, Auteur ;
Anne E. Storey, Auteur
Glucocorticoid levels measured in the blood of animals reflect hypothalamic-pituitary-adrenal (HPA) activity in response to predictable and unpredictable changes. In birds, circulating corticosterone is incorporated into growing feathers and pro[...]
Article
Daniel M. Small, Auteur ;
Peter J. Blank, Auteur ;
Bernard Lohr, Auteur
The post-fledging period is a critical life stage for young grassland birds. Habitat selection by recently fledged birds may differ from that of adults and may change as juveniles transition from the care and protection of parents to independenc[...]
Article
Caroline A. Efstathion, Auteur ;
Paul M. Bardunias, Auteur ;
Janice D. Boyd, Auteur ;
William H. Kern, Auteur
Africanized honey bees (Apis mellifera scutellata) compete with endangered parrots for nest boxes and can hamper conservation efforts. We tested an integrated pest management push-pull protocol in the Atlantic Forest in São Paulo, Brazil, in an [...]
Article
Michael T. Murphy, Auteur ;
Christopher M. Chutter, Auteur ;
Lucas J. Redmond, Auteur
Methods used to study parental behavior are largely idiosyncratic and are rarely tested to verify that they yield reliable data. In particular, the minimum number and duration of observations used to describe behavior accurately is rarely, if ev[...]
Article
Phillip L. Vasseur, Auteur ;
Paul L. Leberg, Auteur
Declines in populations of Painted Buntings (Passerina ciris) over the past several decades have led to their recent classification as a species of conservation concern. To better assess their status, we investigated factors associated with prod[...]
Article
Tiberio C. Monterrubio-Rico, Auteur ;
Juan F. Charre-Medellin, Auteur ;
Cuauhtemoc Sáenz-Romero, Auteur
Thick-billed Parrots (Rhynchopsitta pachyrhyncha) and Maroon-fronted Parrots (Rhynchopsitta terrisi) are the only parrots in Mexico found in high-elevation coniferous forests. Both species are critically endangered due to logging, and climate ch[...]
