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cover of episode Do lizards smell with their tongues?

Do lizards smell with their tongues?

2025/4/23
logo of podcast Moment of Um

Moment of Um
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B
Bettina the Butterfly
L
Laura Kojima
Topics
Bettina the Butterfly: 我是一只蝴蝶，我没有鼻子，我用触角和脚来闻东西。在Candice的蜡烛店，我看到一只蜥蜴在舔蜡烛，这让我很好奇蜥蜴是否用舌头来闻东西。 Laura Kojima: 蜥蜴和蛇一样，拥有雅各布森氏器官，位于口腔顶部。它们用舌头捕捉气味粒子，分叉的舌头效率更高，因为可以捕捉到更多粒子。它们会用舌头轻触气味，然后将舌头缩回口腔，气味信息会传到大脑，帮助它们了解周围环境。许多蜥蜴物种虽然有其他感官，但仍然使用舌头来感知周围环境和食物。蜥蜴和蛇用口腔顶部的特殊器官来闻东西，它们伸出舌头收集气味粒子，然后送回口腔触碰该器官。 Laura Kojima: 许多蜥蜴物种虽然有其他感官，例如耳朵，可以弥补嗅觉的不足，但它们仍然使用舌头来感知周围环境和潜在的食物。

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The sense of smell is so powerful. Without it, we couldn’t sniff out freshly-baked muffins, stinky garbage, or smoky campfires. Some animals use their noses, others use antennae or even their feet to smell. But what about lizards? They have nostrils, but do they use them to smell? We asked lizard researcher Laura Kojima to help us answer this question. 

Got a question that you need to make *scents *of? Send it to us at BrainsOn.org/contact), and we’ll help you *sniff *it out.