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Dippers are only freshwater wing-propelled divers, and by far the smallest. We looked at their bones, brains, sinuses, wings, museums, feathers, and even their nostrils, comparing them to marine wing-propelled divers like penguins and auks.
Study led by the @NZfauna, with @TennysonAlan, @pscofield, @trayc7, Walker Pett and myself.
The paper describing the new species is at Proceedings of the Royal Society: https://t.co/sRm8a4pRgj