Why These Geese Wear Tiny Backpacks and Fly in a Wind Tunnel

The bar-headed goose flies 26,000 feet high during its migration. To find out how, scientists devised an adorable experiment.

Why These Geese Wear Tiny Backpacks and Fly in a Wind Tunnel
The bar-headed goose flies 26,000 feet high during its migration. To find out how, scientists devised an adorable experiment.
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