Development of Methods of Surveying and Estimating Population Size of Short-eared Owls (asio Flammeus)

by: John Calladine · Humphrey Crick · Chris Wernham

Spiral-bound

details (UK).

ISBN: 978-1-906204-41-9

ISBN-10: 1-906204-41-1

British Trust for Ornithology · 2008