Male Adelie penguins help their mates rear the young and, without close inspection, the two sexes are nearly indistinguishable.

  • 雄性的阿德利企鹅会协助它们的配偶抚养幼仔,如果不仔细观察,两个性别几乎很难分辨。

  • 互联网摘选 2025-01-19 23:57:22

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