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Small songbirds travel far using tiny backpacks — A small bird with a tiny backpack flies through the air above trees. / BRICKFEED STUDIO

A small bird with a tiny backpack flies through the air above trees. / BRICKFEED STUDIO

SCIENCE

Small songbirds travel far using tiny backpacks

Tiny bags allow small birds to fly long distances and migrate across continents.

By the Science Desk · Sep 8, 8:00 PM

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