Summary

You don’t need a jet plane to get jet lag – even feathers will do. At least one species of bird gets jet lag, in the sense that its body clock can diverge from local time by more than an hour on fast flights across the Atlantic, as revealed by navigational errors. “We’ve slightly shied away from using the term jet lag itself, because people associate that with the health impacts of that clock shift, rather than the clock shift itself.

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