| Titre : | Journal of Field Ornithology 76(1) - WIN 2005 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
R. S. Rempel, Auteur ;
K. A. Hobson, Auteur ;
G. Holborn, Auteur ;
S. L. Van Wilgenburg, Auteur ;
J. Elliott, Auteur
Omnidirectional bioacoustic recording systems offer the ability to record forest songbirds in the field by technical staff, and then interpret the recordings later in the laboratory by skilled interpreters. Among several advantages to this appro[...]
Article
T. Londei, Auteur
The Piapiac, a little-known corvid, may be the African counterpart of the American jays, and its behavior supports a hypothesized link between conspicuous bill coloration Of juveniles and sociality of the species. During field observations in Ca[...]
Article
M. Winter, Auteur ;
J. A. Shaffer, Auteur ;
D. H. Johnson, Auteur ;
T. M. Donovan, Auteur ;
W. D. Svedarsky, Auteur ;
P. W. Jones, Auteur ;
B. R. Euliss, Auteur
Little is known about the breeding biology of the Le Conte's Sparrow (Ammodranuis leconteh), probably because of its secretive nature. We provide new information on several aspects of Le Conte's Sparrow breeding biology, including rates of nest [...]
Article
J. R. Probst, Auteur ;
D. M. Donner, Auteur ;
M. Worland, Auteur ;
J. Weinrich, Auteur ;
P. Huber, Auteur ;
K. R. Ennis, Auteur
We compared transect counts used for the annual official count of male Kirtland's Warblers (Dendroica kirtlandii) to an observation-based mapping method of individually sighted males in 155 stands over 10 yrs. The annual census count almost trip[...]
Article
T. J. Koronkiewicz, Auteur ;
E. H. Paxton, Auteur ;
M. K. Sogge, Auteur
We developed a technique to produce metal (aluminum) color bands, in response to concerns about leg injuries caused by celluloid-plastic color bands applied to Willow Flycatchers (Empidonax traillil). The technique involves color-anodized alumin[...]
Article
A. Margalida, Auteur ;
J. Bertran, Auteur ;
J. Boudet, Auteur
We compared direct observation methods to assess the diet of nestling Bearded Vultures in the Pyrenees northeastern Spain. Using video cameras and telescopes, diet was determined from observations of food items delivered to, and prey remains in,[...]
Article
W. S. Clark, Auteur ;
H. M. Peter, Auteur
Adult Rough-legged Hawks (Buteo lagopus) are depicted and described in bird guides and handbooks as sexually dimorphic in plumage. We describe for the first time a Basic II plumage for this species, determined by incomplete flight feather molt, [...]
Article
T. S. Leeman, Auteur ;
M. A. Colwell, Auteur
The Long-billed Curlew (Numenius americanus), a declining species of Nearctic shorebird, winters as far north as Humboldt Bay, California, where it feeds principally in intertidal habitats but shifts to pastures with onset of seasonal rains. We [...]
Article
B. A. Garrison, Auteur ;
M. L. Triggs, Auteur ;
R. L. Wachs, Auteur
We studied short-term responses by 16 species of breeding landbirds to group-selection timber harvest at four 21.2-ha replicated study stands in montane hardwood-conifer habitat in the central Sierra Nevada Mountains, California, 1995-2002. The [...]
Article
B. L. Spears, Auteur ;
W. B. Ballard, Auteur ;
M. C. Wallace, Auteur ;
R. S. Phillips, Auteur ;
D. P. Holdstock, Auteur ;
J. H. Brunjes, Auteur ;
R. D. Applegate, Auteur ;
M. S. Miller, Auteur ;
P. S. Gipson, Auteur
Knowledge of chick Survival rates is required to develop species-specific habitat-survival relationships. We determined pre-flight daily survival of Rio Grande Wild Turkey (Meleagris gallopavo intermedia) chicks from hatching to time of tree roo[...]
Article
C. P. McGowan, Auteur ;
T. R. Simons, Auteur
We present an efficient and effective method for trapping adult, breeding American Oystercatchers (Haematopus palliatus) that minimizes disturbance to nesting birds and the risk of trapping injuries. We used a remote controlled mechanical decoy [...]
Article
Each autumn, American Crows (Corvus brachyrhynchos) in the Central Valley of California, USA, forage heavily on walnut trees (Juglans regia) planted along residential streets. Some of these nuts are dropped onto roads and cracked for immediate c[...]
Article
C. R. J. Boland, Auteur ;
R. M. Phillips, Auteur
Traditional methods of examining the nest contents of burrow-nesting birds have often been destructive, expensive, and/or limited to large-bodied species. Here we present details of a small, efficient, and inexpensive "burrowscope" designed for [...]
