Porcupine: Down Low, Up High

While the ground hog won’t see his shadow in Maine tomorrow because he’s a true hibernator, his rodent cousin the porcupine may have to serve as a stand in. And ’round these parts, there are plenty of stand ins available.

A couple of friends and I searched for one today. We had barely begun tramping when we recognized its telltale sign of discolored snow.

Truth be told, we knew the porcupine lived there, but weren’t sure how this past week’s snow storm had affected it. And so we journeyed closer to take a better look. The hole is actually an old bank burrow that had once belonged to a beaver. Porcupines are known to take advantage of such if it’s high and dry.

One of the things that always grabs my attention is the action of the animal as evidenced by its means of entry and departure. Standing there, I could envision it emerging from the hole, using its long claws to get a grip, turning to the left and then swaying to the right. The waddling motion of its hair and quill covered body adds a dimension to the story for if you look carefully you’ll see the wavy impression left behind.

Because its a frequent traveler from den to preferred trees, the entire body, that weighs anywhere from seven to forty pounds, can form quite a trough. Typically the trough is up to nine inches wide in the snow. Within those we saw today, recently cast prints showed the bumpy bottom surface of the foot pad and the five nail marks that extended across the front.

The mammal’s identification was further enhanced by other evidence–quills. The hollow structures were tipped with black barbs. Paul Rezendes, in his book Tracking and the Art of Seeing, states that “the porcupine’s scientific name [Erethizon dorsatum] can be loosely translated as ‘the animal with the irritating back.'” Indeed, many domesticate dogs and their owners would agree with that description.

Because we were on our hands and knees looking, we also noticed soft, wavy hair on the snow. A porcupine’s body is covered with at least 30,000 quills on its back, shoulders and the upper surface of its tail, but it’s not only those large stiff hairs that complete the animal’s coat. Their fur also includes fine hair found on the face, belly, and insides of its legs. In deep snow it’s easy to find the delicate hairs within the trough. Oh, and do you see the little yellow birch seed that looks like a teeny, tiny, brown insect?

We followed one of several troughs that led from the hole and kept looking up into the hemlocks in search of the critter. We never saw it, but we did see some recently nipped branches dangling from above.

Our search led us to a second hole that we’ve watched transform over the last couple of months. And again, we could see the action of the animal as portrayed in its journey.

We wondered about the tunnel from the wider opening in the woods to the smaller opening at the brook bank. Though both had seen recent action, we didn’t see any major amount of scat, which was a surprise. Then again, we didn’t climb in and search further. Perhaps it had moved toward the center of the tunnel during the storm.

Another sign of porcupine’s activity was the dribble of urine that marked the trail. That made me realize that I often refer to them as the pigpens of the woods for they scat and urinate with abandon, but . . . all mammals pee, some with more purpose than others.

We followed the porcupine’s pathways for a bit and noted that they led to the nearby hemlocks and beyond.

But as often happens, we were distracted and stepped back out onto the brook where we followed deer tracks for a while.

Eventually, our curiosity about the porcupine gave us a reason to get out of the wind and we headed back into the woods, where we soon discovered another one of its trails. Curiously, the porky had ventured out toward the frozen, snow-covered brook, but turned and retraced its steps. Why?

Perhaps it smelled a coyote in the area. A porcupine has poor eyesight, but an excellent sense of smell. And coyotes will go after a porcupine, but they prefers other food sources. Fishers are the porcupines least favorite predator. A fisher will grab the porcupine by the nose. Once it dies, the fisher will flip it and expose the stomach. Remember that the stomach is covered with that soft wavy hair–and therefore unprotected.

The coyote didn’t appear to go near the porcupine. Our porcupine study, however, led us to what was probably a bear bait barrel. With no bears to worry about at this time of year, the barrel had been repurposed as evidenced by the tracks that led into and out of it.

And the pile of comma-shaped scat within. Was this where our porcupine weathered out the latest storm? It certainly got me thinking about those two holes to the beaver burrow and how the porcupine must have had to plow the snow out with its body. The barrel was a much better choice. And with the scat as an insulator, what a great place to wait out a winter storm.

Not far away, but perhaps with more luxurious digs, either a mate, or relative had apparently set up home under a barn.

While the porcupine by the brook traveled between an underground tunnel and a barrel buried in the snow, the one up the road preferred the high road. Wouldn’t you like to be there to witness its journey? I know I would.

Porcupine: down low, up high–worth a wandering wonder.

5 thoughts on “Porcupine: Down Low, Up High

  1. “And what to my wondering eyes should appear…”. Not sure what would be stranger on the roof top, a miniature sleigh and 8 tiny reindeer or a porcupine waddling?! I suppose it’s quills act like studded snow tires as it ascends that pitch

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