Post History
I originally thought a porcupine did this (see my other answer), but after seeing your new photos and a closer look at the original ones I now have a different theory. Your tree was first infested...
Answer
#1: Attribution notice removed
by
System
·
2020-06-03T15:54:25Z (over 4 years ago)
Source: https://outdoors.stackexchange.com/a/18063 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/