small rodents on the trunk of a tree

alert america american americanredsquirrel animal autumn backgrounds backyard bark brown bushy canada cheeky climb climbing closeup creature critter curious cute fluffy forest funny fur furry green hudsonicus little looking mammal nature outdoors outside park pine red redsquirrel rodent side small sqirrel squirrel tail tamiasciurus tamiasciurushudsonicus tree trunk watch wild wildlife