Early bird footprints. Guinea fowl-like bird footprints at Laetoli, Tanzania. The rock bed on which they are preserved is million years old. These

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Early bird footprints. Guinea fowl-like bird footprints at Laetoli, Tanzania. The rock bed on which they are preserved is million years old. These footprints were discovered by Mary Leakey in 1976.

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Size: 5132px × 3508px
Photo credit: © JOHN READER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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