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1·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。

2·The passenger pigeon is extinct.

这座火山是座死火山。

3·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。