translate English to French: It is not known exactly why there might be so few Williamson's Sapsuckers in these other areas, or what may be preventing further expansion of their range into what appears to be an abundance of aspen habitats in southern British Columbia when the same species uses aspen habitat extensively in the southern Rocky Mountains.
Au printemps 2004, les pins de grande taille ont été coupés jusqu’au dernier, de sorte que le milieu n’a plus aucun attrait pour le Pic de Williamson.