![](https://marty-essen.com/wp-content/uploads/2019/06/Porcupine-1000x1000.jpg)
Marty’s photo of the day #2910: I haven’t posted a Canada photo recently, so here’s a porcupine photo from Deb’s and my adventure to the top of Canada, for the North American chapter in my first book, Cool Creatures, Hot Planet: Exploring the Seven Continents.