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How to Help Cerulean Warblers, Other Migrant Species, and Resident Birds in Costa Rica

10,000 Birds

With birds bedecked in their breeding best and filling the air with song, this is migration at its loveliest. Threatened by loss of habitat both on breeding as well as wintering grounds, a few species have even become endangered or at least on a perilous track towards that worrisome designation. Ernesto and his team in the field.

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Gulls Simplified: A Gull Book Review

10,000 Birds

Three helpful sections precede the Introduction: Photo and silhouette comparisons of gulls that breed in North America (see illustration above), Basic Anatomical Terms illustrated with four diagrams, and a very selective Glossary. I particularly like the nutshell image and silhouette pages, the latter reminiscent of The Shorebird Book.