Bird Atlas 2007-11: Measuring Change in Bird Distribution and Abundance

Author(s): Gillings, S., Swann, B., Balmer, D. & Wernham, C.
Published: 2011
Editors: Marrs, S.J., Foster, S., Hendrie, C., Mackey, E.C. & Thompson, D.B.A.
The Changing Nature of Scotland.
Pages: 67 - 72
Publisher: The Stationery Office, Scotland(Edinburgh)