NPR News: How A Bird Became Flightless Through Evolution — Twice

How A Bird Became Flightless Through Evolution — Twice
More than 100,000 years ago, a bird flew from Madagascar to an island chain, where it lost the ability to fly. The seas rose and then fell and the bird flew back, only to become flightless again.

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at June 12, 2019 at 04:15AM
Health & Science