1. They mate for life: Puffins have lifespans averaging 20 years, and unless a partner should die, they return to the same mate year after year.
它们是一生的伴侣：善知鸟能或20年左右，它们每年只和固定的伴侣交配，年复一年，为另一半守身如玉，除非另一半去世Wim%scM1d8~。

2. They tag-team raising their baby: Both parents incubate the single egg laid each year and take turns fishing to feed their baby.
它们共同抚养后代：每年，善知鸟只产一个蛋，夫妻轮流孵蛋，孵化以后，轮流捕鱼喂自己的后代*Jdnbt~B@*g3#r_]M&^1。

3. They can find their mate after months apart at sea: Puffins spend late August to early spring out at sea, but return to the same breeding grounds, and the same mate, every year.
它们在分离几个月后回到彼此身边，共筑爱巢：善知鸟从八月底到次年春天会出海捕鱼，然后回到它们的聚居地寻找自己先前的爱人，这样的行为分年发生@K9Z%-oqBp.@M;。

4. They have what is possibly the most adorable mating display among birds: they "kiss" upon finding each other again
它们的亲密行为可能是鸟类中最可爱的：它们在茫茫鸟海中新能找到彼此以后“亲吻”对方6V|m(VmbCo。

5. They are noted for their tenderness and devotion to their mate: Wildlife photographer Craig Jones has spent years photographing the playful birds, and says their warmth and dedication is remarkable.
它们温柔地，倾其所有的爱对方：野生动物摄影师Craig Jones常年拍摄善知鸟的活动，他认为善知鸟对爱人的热情和奉献精神是那么与众不同A;@9N^lx@%,jq。

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