1. Songbird presumed to be age‐limited learner may change repertoire size and composition throughout their life. (1st August 2019) Authors: Osiejuk, T. S.; Łosak, K.; Steifetten, Ø.; Dale, S. Journal: Journal of zoology Issue: Volume 309:Number 4(2019) Page Start: 231 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗