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Article
Christian Vansteenwegen, AuteurTwo Blackbirds' fledglings born in early February were observed in Louvain-la-Neuve in 1999. Eight other observations of the same kind are mentioned in the AVES files. Blackbirds' winter breeding is a rare phenomenon which can be explained by th[...]
Article
Jean-Yves Paquet, Auteur ; Jean-Paul Jacob, Auteur ; Thierry Kinet, Auteur ; Christian Vansteenwegen, AuteurSince 1990, common breeding bird populations in Wallonia (Southern Belgium) are surveyed annually by point count sampling. This scheme monitors evolution of an annual population index for about 80 species and reveals declines or increases of pop[...]
Article
Christian Vansteenwegen, AuteurDans Aves (43(4) 2006)Population trends of common bird species in Wallonia are Computed for the period 1990-2005. Indices are given for 79 species with some basic statistics, tests results for regional or habitats variations and a short comment on quality of observat[...]
