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Birds of Western Ecuador
Nick Athanas, Paul J Greenfield
Häftad. Princeton University Press, USA, 2016.
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2. |
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The Birds of Ecuador: Vol I Status, Distribution, and Taxonomy
Robert S Ridgely, Paul J Greenfield
Häftad. Cornell University Press, USA, 2001.
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3. |
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The Birds of Ecuador: Vol II Field Guide
Robert S Ridgely, Paul J Greenfield
Häftad. Cornell University Press, USA, 2001.
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4. |
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The Birds of Ecuador: Vols I & II Status, Distribution, and Taxonomy / Field Guide
Robert S Ridgely, Paul J Greenfield
Häftad. Cornell University Press, USA, 2001.
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5. |
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Birds of Western Ecuador
Nick Athanas, Paul J Greenfield, Iain Campbell, Pablo Cervantes Daza, Andrew Spencer
E-bok. Princeton University Press, USA, 2016.
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