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Beat About The Bush The Comprehensive Guide
ISBN: 9781431420759
Our Price: R345.00
Retail Price: R450.00
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Understanding Elephants
ISBN: 9781775843412
Our Price: R100.00
Retail Price: R130.00
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Garden Birds In Southern Africa
ISBN: 9781775844747
Our Price: R190.00
Retail Price: R250.00
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The Invertebrates Of Southern Africa & Their Tracks & Signs
ISBN: 9781431421572
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Roberts Series

Title: Roberts Geographic Variation Of Southern African Birds Annual 2012
Author/Editor: Chittenden/Allan/Weiersbye
Format: Softcover
13 Digit ISBN: 9781920602000
Our Price: R 170.00
Retail Price: R 220.00

The John Voelcker Bird Book Fund (JVBBF) is proud to publish Roberts Geographic Variation of Southern African Birds, an illustrated version of aspects dealt with under the subject of Geographic Variation in the large handbook tome Roberts Birds of Southern Africa 7th Edition. Worldwide, this is the first field guide to attempt to comprehensively illustrate the varied plumages that are exhibited by the region's birds. Although sometimes a camouflage and defence mechanism against predation, many other factors contribute to plumage variation and it is hoped that this guide will stimulate the reader's interest in this complex subject so that we can further our knowledge on various subspecies, a concept that was brought to the fore a little over 100 years ago. The colour maps (courtesy of Guy Upfold), are a guide to the distribution of the subspecies; included too are the meaning of scientific names (Etymology). This information, together with 105 annotated plates illustrated by the exceptional talent of Ingrid Weiersbye, makes this guide essential for both beginner and expert birders.

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