EntityQ963324· pop 15· linked from 59 articlesfacial discSign in to saveconcave collection of feathers on the face of some birdsConnectionsbirdEntityanatomyEntityStrigiformesEntitysoundEntityInternational Standard Book NumberEntityfossilEntityfeatherEntitydigital object identifierEntityWestern Barn OwlEntityInternational Standard Serial NumberEntityornithologyEntitySnowy OwlEntityHen HarrierEntitytrue owlsEntityQ180686EntityMontagu's HarrierEntityBuboEntityTytonidaeEntityboreal owlEntitybibcodeEntityCategoriesAuditory systemBird anatomyOwls