This fiesty and tenacious Red Squirrel (Tamiasciurus hudsonicus) tolerated no intruders to his territory the day this photo was taken and was quite ready to take me on if I got too close. They are a clever and comical rodent to observe in action any season of the year. These beautiful creatures are on the mammalian critically endangered list. we treasure ours here on our Niagara Escarpment property.