种内巢寄生 intraspecific nest parasitism
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也许这样便于知更鸟识破其巢寄生的鸟类将自己蛋放进知更鸟巢吧!
Perhaps this enables robins to spot when a parasitic bird tries to add its own eggs to the nest.
终上所述,科学家如何解释知更鸟蛋是耀眼的纯蓝色呢?也许这样便于知更鸟识破其巢寄生的鸟类将自己蛋放进知更鸟巢吧!
Given all this, how do scientists explain the fact that robin's eggs are an eye-catching, unmarked blue?
蚂蚁使用化学线索来识别自己的巢友和卵,这在他们面临寄生性蚁种入侵并尝试耍诡计骗他们照顾自己的小孩时尤为关键。
Ants use chemical cues to recognise their own nest-mates and eggs, which is crucial when parasitic ant species invade and try to trick them into a spot of childcare.
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