![](https://pbs.twimg.com/media/DY8BwR2XkAUdCMC.jpg)
![](https://pbs.twimg.com/media/DY8BwRvWsAAf80g.jpg)
![Cape porcupine, a distant relative of the North American Porcupine](https://pbs.twimg.com/media/DY8Cgs2XkAART-y.jpg)
![Erethizon quills](https://pbs.twimg.com/media/DY8Cs_NW0AEF61e.jpg)
![Hystrix quills](https://pbs.twimg.com/media/DY8CvRsXkAAp8zD.jpg)
![](https://pbs.twimg.com/media/DY8DMXsW0AEQSxh.jpg)
![the angriest looking picture of a porcupine I could find...they are normally too photogenic](https://pbs.twimg.com/media/DY8Duy5WAAU80Iu.jpg)
![so fierce, porcupine ready to puncture](https://pbs.twimg.com/media/DY8EEq3WsAgRXt8.jpg)
![](https://pbs.twimg.com/media/DY8EOAGWAAA2rGK.jpg)
![](https://pbs.twimg.com/media/DY8EV9tXkAcc9b5.jpg)
Get real-time email alerts when new unrolls are available from this author!
Twitter may remove this content at anytime, convert it as a PDF, save and print for later use!
1) Follow Thread Reader App on Twitter so you can easily mention us!
2) Go to a Twitter thread (series of Tweets by the same owner) and mention us with a keyword "unroll"
@threadreaderapp unroll
You can practice here first or read more on our help page!