Other archaeologists have criticized those conclusions on the grounds that passenger pigeon bones would not be likely to be preserved.

其他考古学家批评了这些结论，因为旅鸽的骨头不太可能被保存下来。

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Pigeon fanciers from other places or foreign countries can deliver the pigeon to Yangzhou Long-distance Passenger-transport Bus Station or Yangzhou Railway Station.

外地及境外鸽友可将赛鸽直接发至扬州长途客运站或火车站。

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The passenger pigeon is extinct.

这座火山是座死火山。

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