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  • Study of bird lice shows how evolution sometimes repeats itself

    Illinois Natural History Survey ornithologist Kevin Johnson and his colleagues determined the evolutionary relationships of avian feather lice.

    Illinois Natural History Survey ornithologist Kevin Johnson and his colleagues determined the evolutionary relationships of avian feather lice.

    Photo by L. Brian Stauffer

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      Illinois Natural History Survey ornithologist Kevin Johnson and his colleagues determined the evolutionary relationships of avian feather lice.

      Photo by L. Brian Stauffer

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      Ornithologist Kevin Johnson explains his research in a video.

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