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Showing 1 - 24 of 24 Results
1.
Birds of Ecuador Field Guide
Birds of Ecuador Field Guide by Ridgely, Robert S., Greenfi... ISBN: 9780801487217 List Price: $55.00
$8.47 (Save 84%)
2.
Field Guide to the Songbirds of South America: The Passerines (Mildred Wyatt-Wold Series in ...
Field Guide to the Songbirds of South America: The Passerines (Mildred Wyatt-Wold Series in ... by Ridgely, Robert S., Tudor, Guy ISBN: 9780292719798 List Price: $49.95

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3.
Guide to the Birds of Panama With Costa Rica, Nicaragua, and Honduras
Guide to the Birds of Panama With Costa Rica, Nicaragua, and Honduras by Ridgely, Robert S., Gwynne,... ISBN: 9780691025124 List Price: $49.95
$7.07 (Save 85%)
4.
The Birds of Ecuador (2 Vols.)
The Birds of Ecuador (2 Vols.) by Robert S. Ridgely, Paul J. ... ISBN: 9780801487224 List Price: $130.00
$93.26 (Save 28%)
5.
Birds of South America The Suboscine Passerines
Birds of South America The Suboscine Passerines by Ridgely, Robert S., Tudor, Guy ISBN: 9780292770638 List Price: $95.00
$27.95 (Save 70%)
6.
The Birds of South America Vol. 2: The Suboscine Passerines (Vol 2)
The Birds of South America Vol. 2: The Suboscine Passerines (Vol 2) by Ridgely, Robert S., Tudor, Guy ISBN: 9780198572183

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7.
Wildlife Conservation Society Birds of Brazil: The Pantanal and Cerrado of Central Brazil
Wildlife Conservation Society Birds of Brazil: The Pantanal and Cerrado of Central Brazil by Gwynne, John A., Ridgely, R... ISBN: 9780801476464 List Price: $35.00
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8.
Birds of South America The Oscine Passerines
Birds of South America The Oscine Passerines by Ridgely, Robert S., Tudor, Guy ISBN: 9780292707566 List Price: $95.00
$9.68 (Save 89%)
9.
Guide to the Birds of Panama
Guide to the Birds of Panama by Ridgely, Robert S., Gwynne,... ISBN: 9780691081748 List Price: $41.50
$4.99 (Save 87%)
10.
A Guide to the Birds of Panama, with Costa Rica, Nicaragua, and Honduras
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
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11.
The Birds of Ecuador, Vol. 1: Status, Distribution, and Taxonomy
The Birds of Ecuador, Vol. 1: Status, Distribution, and Taxonomy by Robert S. Ridgely, Paul J. ... ISBN: 9780801487200 List Price: $89.95
$86.91 (Save 3%)
12.
Birds of South America Vol. 1 : The Oscine Passerines
Birds of South America Vol. 1 : The Oscine Passerines by Ridgely, Robert S., Tudor, Guy ISBN: 9780292707771 List Price: $12.50

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13.
Wildlife Conservation Society Birds of Brazil: The Pantanal and Cerrado of Central Brazil
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

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14.
Birds of Ecuador Vol. II : A Field Guide
Birds of Ecuador Vol. II : A Field Guide by Ridgely, Robert S., Greenfi... ISBN: 9780801430251 List Price: $120.00

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15.
Birds of Ecuador Vol. I : Status, Distribution and Taxonomy
Birds of Ecuador Vol. I : Status, Distribution and Taxonomy by Ridgely, Robert S., Greenfi... ISBN: 9780801430190 List Price: $120.00

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16.
Field Guide to the Songbirds of South America: The Passerines
Field Guide to the Songbirds of South America: The Passerines by Ridgely, Robert S., Tudor, Guy ISBN: 9780292717480 List Price: $125.00

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17.
Wildlife Conservation Society Birds of Brazil : The Atlantic Forest of Southeast Brazil, Inc...
Wildlife Conservation Society Birds of Brazil : The Atlantic Forest of Southeast Brazil, Inc... by Ridgely, Robert S., Gwynne,... ISBN: 9781501704536 List Price: $35.00
$26.21 (Save 25%) Own it? Sell it back for $1.63
18.
Hummingbirds of Ecuador Field Guide
Hummingbirds of Ecuador Field Guide by Robert S. Ridgely ISBN: 9789942987822

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19.
South American Birds A Photographic Aid to Identification
South American Birds A Photographic Aid to Identification by Dunning, John S., Ridgely, ... ISBN: 9780915180257 List Price: $47.50

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20.
South American Land Birds: A Photographic Aid to Identification
South American Land Birds: A Photographic Aid to Identification by Dunning, John S., Ridgely, ... ISBN: 9780915180219 List Price: $39.50
$102.34
21.
South American Land Birds: A Photographic Aid to Identification
South American Land Birds: A Photographic Aid to Identification by Dunning, John S., Ridgely, ... ISBN: 9780915180226 List Price: $39.50
$99.88
22.
South American Birds: A Photographic Aid to Identification
South American Birds: A Photographic Aid to Identification by Dunning, John S., Ridgely, ... ISBN: 9780915180264 List Price: $35.00
$11.98 (Save 65%)
23.
Wings from Afar: An Ecoregional Approach to Conservation of Neotropical Birds in South America
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

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24.
Desirable Energy Future A National Perspective
Desirable Energy Future A National Perspective by Livingston, Robert S., Oak ... ISBN: 9780891680451 List Price: $19.95

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