David L PearsonDavid L. Pearson is a research professor in the School of Life Sciences at Arizona State University. He is co-author of The New Key to Ecuador and the Galapagos and of Ecuador in this series. Les Beletsky is a professional wildlife biologist and formr university zoology teacher. Prior to taking up writing wildlife guides, he conducted many years of field research into the ecology and behavior of birds. He is the author of numerous books, including Costa Rica, Ecuador, and Peru in this series. Read More Read Less
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