L.R. Griffen, D. Skilling, R.T. Smith and J.G. Young
The Continuing Decline of the Rook in Dumfriesshire: Results of the 2008 Centenary Census
Ornithology, Zoology, Agriculture
TDGNHAS Series III, 82 (2008), 1(2.63 MB)
Abstract
During the complete county census of 2008 the total of 13,459 rook nests was recorded. Thus, in the five years since 2003, there has been a 25% decline in nest numbers. This continues to confirm the 5% per annum rate of decline extrapolated from the parti