1. Naturalised birds of the world. ([2010?]) Other Names: Lever, Christopher, 1932- Record Type: Book Extent: 1 online resource (352 pages), illustrations View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. The Mandarin duck. (2013 copyright 2013) Other Names: Lever, Christopher, 1932-; Van Grouw, Katrina, 1965- Record Type: Book Extent: 1 online resource (192 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Invasive birds : global trends and impacts /: global trends and impacts. ([2020]) Editors: Downs, Colleen T; Hart, Lorinda A Other Names: C.A.B. International, issuing body. Record Type: Book Extent: 1 online resource (xv, 381 pages), illustrations, maps, charts View Content: Available online (eLD content is only available in our Reading Rooms) ↗