title: [Pterylography of the gray jay Perisoreus canadensis (Linnaeus), (Aves: Corvidae)].
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D001717:Birds / Q000033:anatomy & histology*; D003080:Cold Temperature; D005241:Feathers / Q000033:anatomy & histology*; D012867:Skin / Q000033:anatomy & histology; D013045:Species Specificity; D013696:Temperature; D014921:Wings, Animal / Q000033:anatomy & histology
vernacular_title: Contribution à l'étude de la ptérylose chez Perisoreus canadensis (Linnaeus), (Aves: Corvidae)