牙齿显示猩猩吸奶时间长达8年之久 (IMAGE)

American Association for the Advancement of Science (AAAS)

牙齿显示猩猩吸奶时间长达8年之久

Caption

婆罗洲野生猩猩母亲和其11个月大的婴儿。对其它猩猩牙齿中钡含量的研究显示了猩猩在出生后第一年中母奶摄取增加的模式，这一发现与所观察到的该时期中猩猩的专一性吸奶行为是一致的。

Credit

Tim Laman

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