title: [Researchers from utrecht, the Netherlands give parrots a choice].
authors.forename: Johan Klein
authors.initials: JK
authors.lastname: Haneveld
mesh_terms: D000822:Animal Husbandry / Q000592:standards*; D000818:Animals; D001522:Behavior, Animal; D001715:Bird Diseases / Q000175:diagnosis; D005241:Feathers; D005260:Female; D008297:Male; D010311:Parrots