L.R. Griffen, D. Skilling, R.T. Smith and J.G. Young
The Rapid and Continued Decline of the Rook in Dumfriesshire - Results of the 2005 Census
TDGNHAS Series III, 79 (2005), 186(4.05 MB)
Abstract
A survey of the entire county of Dumfriesshire in 1993 recorded a total of 25,489 rook nests. A repeat of the census in 2003 found only 17,853 nests, a decrease of 30%. This decline prompted a survey of a large part of the county in 2004, which confirmed