Then during the late fall and winter as the clock "ticks", certain physiological changes occur in the bird.

在之后的深秋和冬天，如同钟的转动一样，特定的生理变化在鸟类的身体上表现出来。

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'Most of The Times, you'll find [a singing bird] in a snuff box or bulky clock, where the blocky form is dictated by the function,' says Mr. Bacs.

巴克斯说，“在大多数时候，你会发现鼻烟壶或者大型钟表里安装有鸟鸣装置，它们方块状的外形是由功能决定的。”

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The bird in the clock gaily hops out and says cuckoo.

钟里的小鸟愉快地跳出来，“布谷布谷”地叫着。

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The Antiquorum automaton includes a clock, which activates the automaton every half hour, triggering the bird to sing one of seven popular tunes (as live canaries of the time were routinely trained to do).

FORBES: Collecting