1. A season on the wind : inside the world of spring migration /: inside the world of spring migration. (2019) Authors: Kaufman, Kenn Record Type: Book Extent: 1 online resource (282 pages, 8 unnumbered pages of plates), color illustrations, map View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Stable isotopes to trace migratory birds and to identify harmful diseases : an introductory guide /: an introductory guide. (2016) Authors: Viljoen, Gerrit J; Luckins, A. G; Naletoski, I Record Type: Book Extent: 1 online resource (xii, 49 pages), illustrations (some color) View Content: Available online (eLD content is only available in our Reading Rooms) ↗