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

3 verified updates • corroborated by 2 independent sources • tracked since September 8, 2026

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  10:01 PM 1 source: The Conversation

  Tiny backpacks reveal the secret, sometimes circuitous migrations of small songbirds
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  10:31 PM 1 source: theconversation.com
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  11:01 PM 1 source: The Conversation