A Guide to the Wildlife of the Hayle Estuary
A Field Guide to Birds of the USSR Including Eastern Europe and Central Asia
Flint, V.E.; Et al.
Annotated Checklist of the Birds of Arizona
Monson, Gale; Phillips, Allan R.
Born to Sing:an Interpretation and World Survey of Bird Song: An Interpretation and World Survey of
The Red Crossbills of Colorado
Bailey, Alfred M.; Robert J. Niedrach; A. Lang Baily
Where to Watch Birds in Somerset, Avon, Gloucestershire & Wiltshire [First Edition]
Hall, Ken; Govett, John
Where to Watch Birds in Cumbria, Lancashire and Cheshire [First Edition]
Guest, Jonathan; Malcolm Hutcheson
Systematics and the Origin of Species From the Viewpoint of a Zoologist
Fair Isles's 'Garden' Birds
Bill Oddie's Gone Birding
Best Days with British Birds