| Titre : | Journal of Field Ornithology 76(2) - SPR 2005 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
P. T. Fauth, Auteur ;
P. R. Cabe, Auteur
Conservation strategies for Neotropical migratory birds have emphasized identification and preservation of habitats in which Populations are reproducing above replacement rates. In 2000-2001, we monitored 141 Acadian Flycatcher (Empidonax viresc[...]
Article
C. J. Veltri, Auteur ;
D. Klem, Auteur
Birds killed by colliding with towers and windows were studied to describe the type and extent of injuries and, more precisely, to Suggest the actual cause of death. A total of 502 specimens (247 tower kills, 255 window kills) were dissected, ra[...]
Article
J. M. Pearce, Auteur ;
J. A. Reed, Auteur ;
P. L. Flint, Auteur
Movement ecology and demographic parameters for the Common Merganser (Mergus merganser americanus) in North America are poorly known. We used band-recovery data from five locations across North America spanning the years 1938-1998 to examine mig[...]
Article
F. Hertel, Auteur ;
D. Martinez, Auteur ;
M. Lemus, Auteur ;
J. C. Torres-Mura, Auteur
Chungungo, Tilgo, and Pajaros are small, uninhabited islands within 30 km of the coast of north central Chile. Based on surveys conducted in January 2002 and 2003, we observed 32 marine and terrestrial species of birds that nest, feed, and/or ro[...]
Article
B. C. Faircloth, Auteur ;
W. E. Palmer, Auteur ;
J. P. Carroll, Auteur
Our understanding of the frequency of brood amalgamation in the Northern Bobwhite (Colinus virginianus) is largely anecdotal. Information on it is important in understanding survival and reproduction. We captured entire bobwhite broods at 3-4 an[...]
Article
J. M. Tirpak, Auteur ;
W. M. Giuliano, Auteur ;
C. A. Miller, Auteur
Although nocturnal habitats are often critical to avian survival, they are relatively unstudied. Nocturnal roost habitat selection may be particularly important for Ruffed Grouse (Bonasa umbellus) broods, which experience high mortality due to p[...]
Article
E. Mellink, Auteur ;
G. de la Riva, Auteur
The importance of many of Mexico's wetlands for waterbirds remains poorly assessed, and this is all obstacle in planning their conservation. Between Marismas Nacionales, Nayarit, and the center of the state of Guerrero, a span of roughly 1150 km[...]
Article
M. S. Monroe, Auteur ;
G. Ritchison, Auteur
Populations of Henslow's Sparrows (Ammodramus henslowii) arc declining, and loss of habitat is a likely factor. Coal mine reclamation has created grassland habitat in Kentucky and elsewhere, and information is needed concerning the use of these [...]
Article
J. P. Gendner, Auteur ;
Michel Gauthier-Clerc, Auteur ;
C. Le Bohec, Auteur ;
S. Descamps, Auteur ;
Y. Le Maho, Auteur
We developed an identification Setup enabling automatic detection of the passage of free-living King Penguins implanted with small radio frequency transponders at Possession Island, Crozet Archipelago. An unique feature of the system is the use [...]
Article
C. E. Donehower, Auteur ;
D. M. Bird, Auteur
A short-term color-marking technique suitable for non-breeding birds was developed by altering a common method used to mark incubating birds. A dye paste was spread on the ground at resting sites used by Herring (Larus argentatus) and Great Blac[...]
Article
Anting is a widespread but poorly understood behavior in which birds apply ants or other organisms or objects to their Plumage or skin. I observed two instances of active anting in the 'Elepaio (Chasiempis sandwichensis), a monarch flycatcher en[...]
Article
D. Shizuka, Auteur ;
J. L. Dickinson, Auteur
Using data on the extent of prebasic molt in known-aged adult and first-winter Western Bluebirds (Sialia mexicana), we assessed the accuracy of the molt limit as a tool for ageing birds. Sixty-nine known-aged birds were examined over the winter [...]
Article
C. E. Hill, Auteur ;
W. Post, Auteur
Seaside Sparrows (Ammodramus maritimus) nest at varying population densities, and breeding pairs may occupy either large, all-purpose activity spaces or small nesting territories, foraging in undefended areas separate from the nest site. We dete[...]
Article
R. C. Dobbs, Auteur
Dusky Flycatchers (Empidonax oberholseri) nesting in a mixed conifer-aspen woodland in southern Utah occurred at a breeding density of 0.44 territories/ba. Females began laying first clutches 1-26 June; adults fed nestlings (in renesting attempt[...]
