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The birds of Ecuador / by Robert S. Ridgely and Paul J. Greenfield ; with the collaboration of Mark B. Robbins and Paul Coopmans ; in association with the Academy of Natural Sciences.

The birds of Ecuador / by Robert S. Ridgely and Paul J. Greenfield ; with the collaboration of Mark B. Robbins and Paul Coopmans ; in association with the Academy of Natural Sciences.
Paper図書
Comstock Pub.2001.<RA567-A217>
National Diet Library
  • Author HeadingRidgely, Robert S., 1946- Greenfield, Paul J.

A guide to the birds of Panama : with Costa Rica, Nicaragua, and Honduras / by Robert S. Ridgely and John A. Gwynne, Jr. 2nd ed.

A guide to the birds of Panama : with Costa Rica, Nicaragua, and Honduras / by Robert S. Ridgely and John A. Gwynne, Jr. 2nd ed.
Paper図書
Princeton University Pressc1989.<RA567-A99>
National Diet Library
  • Author HeadingRidgely, Robert S., 1946- Gwynne, John A.

The birds of South America / by Robert S. Ridgely and Guy Tudor, with the collaboration of William L. Brown, in association with World Wildlife Fund.

The birds of South America / by Robert S. Ridgely and Guy Tudor, with the collaboration of William L. Brown, in association with World Wildlife Fund.
Paper図書
Oxford University press1989-<RA567-A95>
National Diet Library
  • Author HeadingRidgely, Robert S., 1946- Tudor, Guy, 1934- Brown, Will...

South American land birds : a photographic aid to identification / John S. Dunning with the collaboration of Robert S. Ridgely.

South American land birds : a photographic aid to identification / John S. Dunning with the collaboration of Robert S. Ridgely.
Paper図書
Harrowood Booksc1982.<RA567-A37>
National Diet LibraryOther Libraries in Japan
  • Author HeadingDunning, John Stewart, 1906- Ridgely, Robert S., 1946- 世界自然保護基金

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