Showing 1 - 23 of 23 Results
1.
Birds of Ecuador Field Guide by Ridgely, Robert S., Greenfi... ISBN: 9780801487217 List Price: $55.00
2.
The Birds of Ecuador (2 Vols.) by Robert S. Ridgely, Paul J. ... ISBN: 9780801487224 List Price: $130.00
4.
Birds of South America The Suboscine Passerines by Ridgely, Robert S., Tudor, Guy ISBN: 9780292770638 List Price: $95.00
6.
The Birds of South America Vol. 2: The Suboscine Passerines (Vol 2) by Ridgely, Robert S., Tudor, Guy ISBN: 9780198572183
7.
Birds of South America The Oscine Passerines by Ridgely, Robert S., Tudor, Guy ISBN: 9780292707566 List Price: $95.00
9.
South American Birds A Photographic Aid to Identification by Dunning, John S., Ridgely, ... ISBN: 9780915180257 List Price: $47.50
10.
Field Guide to the Songbirds of South America: The Passerines by Ridgely, Robert S., Tudor, Guy ISBN: 9780292717480 List Price: $125.00
11.
Wings from Afar: An Ecoregional Approach to Conservation of Neotropical Birds in South America by Leslie Adkin, Robert S. Rid... ISBN: 9781886765030 List Price: $29.95
12.
Birds of South America Vol. 1 : The Oscine Passerines by Ridgely, Robert S., Tudor, Guy ISBN: 9780292707771 List Price: $12.50
13.
The Birds of Ecuador, Vol. 1: Status, Distribution, and Taxonomy by Robert S. Ridgely, Paul J. ... ISBN: 9780801487200 List Price: $89.95
14.
Desirable Energy Future A National Perspective by Livingston, Robert S., Oak ... ISBN: 9780891680451 List Price: $19.95
15.
South American Land Birds: A Photographic Aid to Identification by Dunning, John S., Ridgely, ... ISBN: 9780915180219 List Price: $39.50
16.
South American Land Birds: A Photographic Aid to Identification by Dunning, John S., Ridgely, ... ISBN: 9780915180226 List Price: $39.50
17.
South American Birds: A Photographic Aid to Identification by Dunning, John S., Ridgely, ... ISBN: 9780915180264 List Price: $35.00
18.
Guide to the Birds of Panama by Ridgely, Robert S., Gwynne,... ISBN: 9780691081748 List Price: $41.50
19.
A Guide to the Birds of Panama, with Costa Rica, Nicaragua, and Honduras by Robert S. Ridgely, John A. ... ISBN: 9780691085296 List Price: $70.00
20.
Wildlife Conservation Society Birds of Brazil: The Pantanal and Cerrado of Central Brazil by Gwynne, John A., Ridgely, R... ISBN: 9780801449192 List Price: $75.00
21.
Birds of Ecuador Vol. II : A Field Guide by Ridgely, Robert S., Greenfi... ISBN: 9780801430251 List Price: $120.00
22.
Birds of Ecuador Vol. I : Status, Distribution and Taxonomy by Ridgely, Robert S., Greenfi... ISBN: 9780801430190 List Price: $120.00
23.
Hummingbirds of Ecuador Field Guide by Robert S. Ridgely ISBN: 9789942987822