4.4 • 1.5K Ratings
🗓️ 14 March 2025
⏱️ 5 minutes
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Lizards are awesome creatures. Some have long forked tongues, others can move their eyeballs in opposite directions. And get this: some lizards can even drop their tails and grow new ones. But how and why do they do this? We asked lizard researcher Laura Kojima to help us find the answer.
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0:00.0 | From the brains behind brains on, this is the Moment of Um. |
0:15.2 | Moment of Um comes to you from APM Studios. I'm Nico Gonzalez Whistler. |
0:22.0 | And much like Olivia Rodrigo, I like to rock out. |
0:28.0 | What can I say? |
0:29.2 | It's just in my nature. |
0:31.1 | And you know what? |
0:32.0 | I think lizards are the same way. |
0:34.6 | They're total punk rockers. |
0:43.4 | Think about it. They have tough skin. Some have spines or forked tongues. Very punk. Some lizards can even detach their own tails at a drop of a hat, and then regrow an entirely new one. |
0:56.0 | That's hardcore. |
0:58.4 | But how do lizards even do that? |
1:01.6 | Carrington was curious about this too. |
1:03.9 | How do lizards detach their tails? |
1:06.4 | We asked a lizard expert to help us find the answer. |
1:10.6 | So when the lizards detach their tail, the tail actually just pops off. |
1:15.5 | Hi, I'm Laura Kojima. I'm a graduate student at the University of California, Davis, studying |
1:20.4 | reptile and amphibian management and conservation. So when lizards attach their tails, |
1:27.1 | they typically will break off right underneath their cloaca. |
1:30.7 | So that's where they go pee and poo. |
1:32.6 | It'll break a few spinal bones below the cloaca. |
1:37.2 | And so they basically break off that tail bone along with the muscles that are around that bone will tear off in a quick process and detach. |
1:46.5 | And so because of that detachment, sometimes you'll see if a lizard's tail breaks off, |
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