. . "Aves." . . "Birds." . . "Ocells Hàbits i conducta" . . "Biologia." . . "Birds Behaviour." . . "Oiseaux Mœurs et comportement." . . "Oiseaux Moeurs et comportement." . "Behavior, Animal." . . . . . . . . . . . . . . "Bird Behavior"@en . "Bird Behavio[u]r" . . . . . . . . . . "Bird behaviour" . "Bird behaviour"@en . . . "Het gedrag der vogels" . "Bird behavior"@en . "Bird behavior" . . . . "Juvenile works"@en . "Juvenile works" . . . "Describes the cleaning, feeding, courting, mating, and migrating habits of a variety of birds."@en . "Describes the cleaning, feeding, courting, mating, and migrating habits of a variety of birds." . . . .