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Category: Anseriformes

Male achromatic wing colouration is related to body condition and female reproductive investment in a dichromatic species, the upland goose

Upland Goose (Chloephaga picta) Science Article 1 abstract In many bird species, achromatic plumage patch size can serve as a male status signal, but the use of variations in the achromatic colours themselves as a quality signal has only recently come into focus. In our study, we sought to determine whether achromatic plumage reflects individual […]

Lesser White-fronted Goose expedition to Eastern Syria, February 2007

Lesser White-fronted Goose (Anser erythropus) Science Article 3 abstract The expedition was carried out on 9-11 February 2007, as planned in earlier correspondence with the team working on the protection of Lesser White-fronted Goose Anser erythropus as well as Syrian and regional ornithologists. Participants included Anssi Kullberg currently working for the Finnish Embassy in Damascus […]

Exploitation of a new staging area in the Dutch Wadden Sea by Greylag Geese Anser anser: The importance of food-plant dynamics.

Greylag Goose (Anser anser) Science Article 8 abstract The colonisation by Greylag Geese Anser anser of a new autumn migration staging area was studied on the island of Schiermonnikoog, The Netherlands. Over 500 Greylag Geese first visited the island in 1991. During subsequent years, peak numbers rose to 700-900 birds. The geese most likely originated […]

Wintering Greylag Geese Anser anser in North-Africa.

Greylag Goose (Anser anser) Science Article 3 abstract Goose counts at the three major wintering grounds of North Africa from 1981/82 to 1988/89 are presented and discussed. The origin of the Greylag Geese wintering there is documented by individually marked geese. These neck-banded geese also proved that movements occur between Tunisia and Algeria and supported […]

Remote sensing as a technique to assess reedbed suitability for nesting Greylag Geese Anser anser.

Greylag Goose (Anser anser) Science Article 1 abstract We studied Greylag Goose Anser anser nest distribution in relation to reed stem density in the Tgmmerby Fjord reedbed, Denmark, using rial photography to locate nests . Digitised photographs were used to establish a relationship be tween spectral signature and reed stem density. This technique classified 71% […]

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