Developing methods for the field survey and monitoring of breeding short-eared owls (Asio flammeus) in the UK : an interim report from the pilot fieldwork in 2006 /
Calladine, John(John R.)
Garner, M. G.(Michael Graeme)
Wernham, Chris.
British Trust for Ornithology.
Thetford : British Trust for Ornithology,
2012.
Spiral bound.
"February 2007 (Published December 2012)" -- t.p.
Includes bibliographical references.
Short-eared owl