Director / Editor: Victor Teboul, Ph.D.

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Tiny backpacks reveal the secret, sometimes circuitous migrations of small songbirds

By Stephanie Szarmach, James Smithson Postdoctoral Fellow, Smithsonian Institution

Tiny geolocators measure light levels and atmospheric pressure to reveal the migrations of small songbirds – including the yellow-rumped warbler, also known as a butter-butt – in unprecedented detail.

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