In fact, if another scrub jay was visible when the first jay buried its food, the first jay was more likely to dig up the food later and rebury it in another location.

 
  • 事实上,如果另一只蜂鸟看到了第一只蜂鸟藏食物,那么第一只鸟则很有可能随后把食物挖出来在重新埋在其他地方。
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