| Titre : | Wildfowl 53 - 2002 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
A. R. Martin, Auteur
Dans
Wildfowl (53 2002)
The South Georgia Pintail is the southernmost waterfowl taxon and an island endemic which survives year-round in some of the most hostile conditions encountered by any waterfowl. The wild population is currently secure, but small and vulnerable [...]
Article
A. Reed, Auteur ;
R. J. Hughes, Auteur ;
H. Boyd, Auteur
Dans
Wildfowl (53 2002)
To monitor the numbers and distribution of Greater Snow Geese at the largest breeding colony in the eastern Canadian High Arctic, surveys were conducted on Bylot Island at five year intervals from 1983 to 1998. The surveys were conducted during [...]
Article
D. V. Solovieva, Auteur
Dans
Wildfowl (53 2002)
Daily time budget (DTB), foraging behaviour and the human affect on DTB of breeding Scaly-sided Merganser were studied on the upper Iman River, Primorye, Russia. Daytime averaged 14.8 hours in the period from arrival on the breeding grounds unti[...]
Article
C. M. Glahder, Auteur ;
A. D. Fox, Auteur ;
A. J. Walsh, Auteur
Dans
Wildfowl (53 2002)
During spring 1998 and 1999, 10 Greenland White-fronted Geese fitted with satellite transmitters on the wintering grounds at Wexford, Ireland, migrated to West Greenland and provided new information on spring staging areas and staging periods. T[...]
Article
N. R. Seymour, Auteur ;
L. Thabane, Auteur ;
M. Lane, Auteur
Dans
Wildfowl (53 2002)
Changes in the abundance of Black Duck pairs and broods in four manipulated wetlands and 52 reference wetlands were compared. There was an increase in the number of pairs and broods at manipulated sites following manipulation, while unstabilised[...]
Article
M. Frederiksen, Auteur
Dans
Wildfowl (53 2002)
Greylag and Pink-footed Geese, breeding in Iceland and wintering in Britain, are popular quarry species for wildfowl hunters. However, the size of the British hunting bag is unknown. By using the Icelandic bag statistics, recoveries of geese sho[...]
Article
H. G. Young, Auteur ;
R. McCann, Auteur
Dans
Wildfowl (53 2002)
The sexes of Hottentot Teal have generally been considered similar. However, examination of the birds flanks allows accurate sexing even from a distance.
Article
J. A. Robinson, Auteur ;
L. G. Culzac, Auteur ;
N. S. Aldridge, Auteur
Dans
Wildfowl (53 2002)
Diurnal time-activity budgets of Mallard broods were measured at the Cotswold Water Park and The New Grounds, Slimbridge in spring and summer 2000. During the first month after hatching, ducklings spent 50% of their time feeding. Ducklings spent[...]
Article
M. Desholm, Auteur ;
T. K. Christensen, Auteur ;
G. Scheiffarth, Auteur ;
M. Hario, Auteur ;
A. Andersson, Auteur ;
B. Ens, Auteur ;
C. J. Camphuysen, Auteur ;
L. Nilsson, Auteur ;
C. M. Waltho, Auteur ;
S.-H. Lorentsen, Auteur ;
A. Kuresoo, Auteur ;
R. K. H. Kats, Auteur ;
D. M. Fleet, Auteur ;
A. D. Fox, Auteur
Dans
Wildfowl (53 2002)
A dramatic decline in the number of wintering Common Eiders from c. 800,000 to c. 370,000 occurred in Danish waters between 1990 and 2000. Denmark represents the second most important wintering area for Eiders from the Baltic/Wadden Sea flyway, [...]
Article
U. Zillich, Auteur ;
J. Black, Auteur
Dans
Wildfowl (53 2002)
It is often not practical or desirable to collect birds to assess their body mass. The Abdominal Profile Index (API), developed by Owen (1981), is an alternative method that can be used without capturing or collecting animals. The weight and API[...]
Article
W. P. Johnson, Auteur ;
R. S. Holbrook, Auteur ;
F. C. Rohwer, Auteur
Dans
Wildfowl (53 2002)
The nesting biology of non-migratory Mottled Ducks was studied in coastal Louisiana between 1994 and 1996. Nests were initiated in March of each year; mean dates of nest initiation were 30 April, 14 April, and
Article
L. Nilsson, Auteur ;
M. Green, Auteur ;
H. Persson, Auteur
Dans
Wildfowl (53 2002)
Selection and exploitation of feeding areas by pre-breeding and non-breeding Greylag Geese Anser anser, as well as by families, was studied in a breeding area consisting of four takes in Scania, southernmost Sweden, in the years 1997-2000. Total[...]
Article
K. G. McCracken, Auteur ;
P. J. Fullagar, Auteur ;
E. C. Slater, Auteur ;
D. C. Paton, Auteur ;
A. D. Afton, Auteur
Dans
Wildfowl (53 2002)
Acoustic advertising displays (n=75) of male Musk Ducks Biziura lobata were analysed at ten widely spaced geographic localities in South Australia, Victoria, and Western Australia. Vocalisations differed in a fixed, non-overlapping pattern betwe[...]
Article
K. Kraaijeveld, Auteur ;
R. A. Mulder, Auteur
Dans
Wildfowl (53 2002)
This paper describes incidences of brood parasitism of nests of Black Swans Cygnus atratus by Musk Ducks Biziura lobata. Black Swans have a long incubation period, and as they are unlikely to exhibit egg rejection behaviour, they are potentially[...]
Article
F. Woog, Auteur
Dans
Wildfowl (53 2002)
The seasonal distribution patterns of individually marked Hawaiian Geese or Nene Branta sandvicensis are described in relation to the availability of their food plants in scrubland. The phenology of the most important plant groups was recorded o[...]
