I spent most of my life not knowing that porcupines could climb trees. While I am a little embarrassed to admit this fact, I am also not sure I spent a ton of time in my younger years thinking about it. Now that I know, I have become obsessed with staring toward the tops of trees trying to find a bound-up ball of quills, nested in the highest branches. Early spring, before the trees fully leaf out, is an ideal time for spotting tree-dwelling porcupines who often move into the upper canopy of