| Titre : | Journal of Field Ornithology 70(1) - WIN 1999 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
R. M. Visnak, Auteur ;
J. P. Dumbacher, Auteur
Fumigation chambers are commonly used to remove avian ectoparasites without harming host birds. Although several fumigants are commonly used, we know of no systematic comparison of available fumigants, and there is no agreement as to which is be[...]
Article
E. M. Bayne, Auteur ;
K. A. Hobson, Auteur
Quail eggs and artificial nests have become a common way of assessing predation risk for nesting passerine birds. However, the technique is biased against small predators that are unable to destroy large, thick-shelled quail eggs but that are ca[...]
Article
An adult female Brown-headed Cowbird (Molothrus alter) was filmed as she killed all six nestlings of a Blue-winged Warbler (Vermivora pinus). Although several previous accounts provided strong indirect evidence of cowbird attacks on host nestlin[...]
Article
M. Giese, Auteur ;
R. Handsworth, Auteur ;
R. Stephenson, Auteur
We report on the use of artificial eggs, fitted with highly sensitive microphones to record the resting heart rates of Adi lie Penguins (Pygoscelis adeliae). Artificial eggs were developed to quantify the effects of recording heart rate in pengu[...]
Article
There is a regular annual fall migration of jaegers (Stercorarius spp.) over the Great Lakes. Data from shoreline observation sites show that higher numbers of jaegers have been reported from Lake Ontario. Parasitic Jaegers account for 80% of id[...]
Article
Article
I studied the reproductive success of the Wood Stork (Mycteria americana) in a seasonally inundated savanna in the southern Ilanos of Venezuela. Two breeding colonies were occupied by Wood Storks during the 1989-1990 nesting season. Storks arriv[...]
Article
E. C. Enkerlin-Hoeflich, Auteur ;
J. M. Packard, Auteur ;
J. J. Gonzalez-Elizondo, Auteur
During 1991-1997, we developed, adapted, and tested a variety of field techniques for the study of Amazona parrots in northeastern Mexico. We describe two of these techniques considered novel and employed for nest inspections and sampling crop c[...]



