The migratory strategies of kingfishers are poorly understood. In the first study of its kind, by means of Global Positioning System data loggers, we were able to describe the migration and wintering sites of the Ruddy Kingfisher Halcyon coromanda population breeding on Miyako Island, Japan. Birds were found to reach altitudes of almost 4,000 m during their migration to winter on Polillo and Tablas islands in The Philippines.
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Vol. 18 • No. 2