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机译:A tiny, long-legged raptor from the early Oligocene of Poland may be the earliest bird-eating diurnal bird of prey
Senckenberg Res Inst, Ornithol Sect, Senckenberganlage 25, D-60325 Frankfurt, Germany;
Univ Oslo, Nat Hist Museum, PO 1172 Blindern, N-0318 Oslo, Norway;