A classic example is noisy begging by nestling songbirds when a parent returns to the nest with food.
一个典型的例子就是鸣禽的雏鸟在父母带着食物归巢时所表现出的吵闹的乞食行为。
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From ferocious birds of prey to shy songbirds, Zuckerman has captured our avian neighbors in fascinating new ways.
从凶猛的猛禽到害羞的鸣禽，祖克曼用这种迷人的新方式来捕获了我们的鸟类邻居。
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Similar evidence appeared in songbirds and rats around the same time, and since then, researchers have built up an impressive catalogue of animal lateralisation.