The time the scrub jays spent away from their caches had a big effect on the type of food they looked for.

　
英 美
  • 灌叢鳥(niǎo)離開(kāi)食物儲藏地點(diǎn)的時(shí)間長(cháng)短，大大影響它們稍后尋找的食物種類(lèi)。
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