| Titre : | Journal of Field Ornithology 72(4) - FAL 2001 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
E. H. Dunn, Auteur ;
J. Larivee, Auteur ;
A. Cyr, Auteur
Checklist programs that compile birding observations are potentially useful for population monitoring. Previous analyses showed that trends in Quebec checklist data from migration seasons were significantly correlated With trends front the Breed[...]
Article
O. W. Johnson, Auteur ;
A. J. Bennett, Auteur ;
L. Alsworth, Auteur ;
L. A. Bennett, Auteur ;
P. M. Johnson, Auteur ;
J. R. Morgart, Auteur ;
R. J. Kienholz, Auteur
To learn more about mid-Pacific migration, we radio-tagged 40 Pacific Golden-Plovers (Pluvialis fulva) in spring 1999 on their wintering territories in Hawaii. The birds departed in late April. and with aerial monitoring we relocated 10 of them [...]
Article
B. C. Thompson, Auteur ;
G. E. Knadle, Auteur ;
D. L. Brubaker, Auteur ;
K. S. Brubaker, Auteur
Quantifying productivity of bird populations often involves calculating nest success from samples of nests found during a breeding season. Female reproductive output (annual or lifetime) is important to demographic modeling of birds, but nest su[...]
Article
J. Bart, Auteur ;
D. Battaglia, Auteur ;
N. Senner, Auteur
Effects of color bands on adult birds have been investigated in many studies, but much less is known about the effects of bands on birds handed at hatch. We captured Semi-palmated Sandpiper (Calidris pusilla) chicks at hatch on the Alaskan North[...]
Article
G. Fernandez, Auteur ;
H. de la Cueva, Auteur ;
N. Warnock, Auteur
The Western Sandpiper (Calidris mauri) is one of the most abundant shorebirds in northwestern Mexico however, little is known about its winter ecology ill this area. We, patterns of male Western Sandpipers during the winters of 1995-1996 (1995) [...]
Article
J. Bety, Auteur ;
G. Gauthier, Auteur
We assessed the effect of nest visits by researchers oil the activity of nest predators and predation rate of eggs in a High Arctic Greater Snow Goose (Chen caerulescens atlantica) colony. The study was conducted in years of moderate (1996) and [...]
Article
D. B. McNair, Auteur ;
W. Post, Auteur
We review the extralimital occurrence of Cave Swallows (Petrochelidon fulva) in the United States and Canada since the 1960s. Nineteen (29%) of 65 occurrences not associated with an incursion in late autumn 1999 have been verified with photograp[...]
Article
J. M. Luginbuhl, Auteur ;
J. M. Marzluff, Auteur ;
J. E. Bradley, Auteur ;
M. G. Raphael, Auteur ;
D. E. Varland, Auteur
We conducted a four-year study on the Olympic Peninsula of Washington to assess the relationship between corvid (Gray Jay [Perisoreus canadensis], Steller's Jay [Cyanocitta stelleri], American Crow [Corvus brachyrhynchos] and Common Raven [Corvu[...]
Article
J. A. Alonso, Auteur ;
C. A. Martin, Auteur ;
J. C. Alonso, Auteur ;
M. B. Morales, Auteur ;
S. J. Lane, Auteur
A sample of 22 radio-tagged male Great Bustards from central Iberian populations was studied from 1996 to 1998. All birds undertook seasonal movements to postbreeding areas located up to 167 km away from their leks. Departures from leks occurred[...]
