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Keywords from Image Description:
BirdSkulls PZSL. Otis tarda Otis tarda Linnaeus Linnaeus Linnaeus Linnaeus Skulls of holorhinal birds from dorsal Great Bustardbr Chickenbr Cape Petrelbr Hawfinchbr Proceedings of the Zoological Society of London archive org vol archive org page page published Unclear initials ACC pdold PZSL Bird skull comparisons