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Article
Kurt K. Burnham, Auteur ; William Burnham, AuteurDovekies Alle alle form breeding colonies of thousands of birds in North Greenland. One of their major predators, the Glaucous Gull Larus hyperboreus, attacks Dovekies while they attend their breeding colony. We found that Dovekies at the edge a[...]
Article
Kurt K. Burnham, Auteur ; William A. Burnham, Auteur ; Ian Newton, AuteurGyrfalcons Falco rusticolus use the same nest-sites over long periods of time, and in the cold dry climate of Greenland, guano and other nest debris decay slowly. Nineteen guano samples and three feathers were collected from 13 Gyrfalcon nests w[...]
Article
Jennifer L. Burnham, Auteur ; Kurt K. Burnham, AuteurThe Carey Islands of northwest Greenland are infrequently visited by ornithological researchers. and baseline population data for many avian species is limited or absent. This paper highlights the results of a three-day expedition to circumnavig[...]
Article
William Burnham, Auteur ; Kurt K. Burnham, Auteur ; Tom J. Cade, AuteurFrom 1905 to 1920 Alfred Bertelsen documented 210 avian breeding sites for 32 species in the Uummannaq District, Greenland, between 70 degrees 03' and 72 degrees 03' N and 50 degrees 20' and 55 degrees 40'W, a land area of about 12 000 km(2). In[...]
Article
Kurt K. Burnham, Auteur ; Ian Newton, AuteurLittle information exists on the movements of Gyrfalcons Falco rusticolus outside the breeding season, particularly amongst High Arctic populations, with almost all current knowledge based on Low Arctic populations. This study is the first to pr[...]
Article
Timing of breeding and offspring number covary with plumage colour among Gyrfalcons Falco rusticolus
Jeff A. Johnson, Auteur ; Kurt K. Burnham, AuteurPlumage colour variation exists among Gyrfalcons throughout their Arctic and sub-Arctic circumpolar distribution, ranging from white through silver and grey to almost black. Although different colour variants coexist within many populations, a f[...]
