Birds of Botswana: 103 (Princeton Field Guides)
by Hancock, Peter Peter Hancock, Ingrid Weiersbye,
ISBN 13: 9780691157177
Format: paperback Publisher: Princeton University Press
Save for later
Roberts geographic variation of Southern African Birds: A guide to the plumage variation of 613 bird races in Southern Africa
by Chittenden Hugh,Allan David,Ingrid Weiersbye
ISBN 13: 9781920602000
Format: Paperback (286 pages) Publisher: John Voelcker Bird Book Fund Published: 01 Aug 2012