Using geolocators, Smithsonian scientists have, for the first time ever, tracked one of North America’s rarest birds―the Kirtland’s warbler―throughout its full annual cycle, revealing new and critical information for the bird’s future.

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Using geolocators, Smithsonian scientists have, for the first time ever, tracked one of North America’s rarest birds―the Kirtland’s warbler―throughout its full annual cycle, revealing new and critical information for the bird’s future.