by David Pearson (Author), Brian Small (Illustrator), PeterKennerley (Author)
This authoritative handbook covers the identification of this difficult group of warblers in breathtaking detail, illustrated with line drawings, sonograms, wonderful colour plates and photographs. It is destined to become the ultimate reference for these challenging birds.
Format: Hardcover
Pages: 712
Publisher: Christopher Helm Publishers Ltd
Published: 10 Jun 2009
ISBN 10: 0713660228
ISBN 13: 9780713660227