The county bird atlas is now available as a free electronic version.
The Birds of Gloucestershire was published in 2013, in parallel to the British Trust for Ornithology’s national atlas. It was a joint volunteer effort between the county’s various bird clubs and birders.
This electronic version has been made available free for anyone to use for non-commercial purposes. There are versions in pdf and ePUB formats.
Should you wish to quote from it, please include this citation:
Kirk, G.R. and Phillips, N.J. 2013. The Birds of Gloucestershire, Liverpool University Press.