The tail is used for balance as well as a prop or brace. To the scientists' surprise, barbed quills required approximately half the penetration force of the barbless quills—either those naturally barbless or those sanded clean—and only 56% of the force needed for the hypodermic needle to breach the skin. FREE Shipping. My Haudenosaunee Ancestors used the quills of Porcupine to sew beads and costumes for Dancing. The beaver is the only rodent in North America that is larger than the North American porcupine. Researchers estimate the porcupine has more than 30,000 of these quills with as many as 100 to 140 growing from each square inch of skin. Porcupine Quills Hair Stick Indian Crafts Accessories Fishing Buoy DIY 6 7 10Pcs. A pleasant enough creature when left alone, the porcupine is quick to defend itself at the slightest threat. Still others claim the quill must be removed with a twisting action – some say clockwise, others counterclockwise. Long guard hairs conceal the porcupine's needle-sharp quills when the animal is not on the defensive. porcupine can throw its quills at an attacker is a widely-believed bit of animal misinformation. Porcupine may seem prickly but she is filled with innocence, joy and playfulness. The quills can puncture skin, muscles causing serious injury and even death in rare conditions. Each quill is under complete muscle control and can be raised or lowered instantly. The next step is to waggle its tail from side to side. Although the young porcupine suckles for a short time – three to seven weeks – it begins eating vegetation shortly after birth and soon is on its own. To understand how formidable a weapon the porcupine's quill is, let's take a close look at its structure. "Now that we know how these barbs work, we can modify them to make devices perform even better.". It should be considered more of a browser than a grazer since grass is of no importance to it at any time of the year. Only the nose, legs, and underside are unprotected by the prickly spines. Through trial and error they discover the correct way. Perhaps it is this sense of smell that leads the animal to sample anything that contains the slightest amount of salt. At birth, the young porcupine is a one-pound miniature version of its parents. The tiny barbs (top) coating the tips of the quills from North American porcupines (bottom) However, since the inside of the shaft is not hollow, cutting it cannot affect the embedded point. Ilo
Researchers estimate the porcupine has more than 30,000 of these quills with as many as 100 to 140 growing from each square inch of skin. As human populations expand, humans and porcupines find themselves in increasingly close quarters. When two meet, it may first appear they are going to fight; however, before long they probably will be rubbing noses or sitting up rubbing front paws. Most hedgehogs can fit in an adult's hand. Porcupine quills in dogs can cause serious skin and tissue damage. Porcupine, Anén:taks, speaks of Childish Joy and of remembering that there is always an Inner Child within us that must be given occasional voice. Male porcupines will also attempt to hump your leg during breeding season. The slightest touch on a single quill or guard hair also brings them erect, turning the creature into a living pincushion. But what can these small mammals really do with their home-grown needles. Porcupines are famed for their quills, which are actually large, stiff hairs that help defend the animals against natural predators. Get it as soon as Thu, Dec 24. Some males sing in a low tone while others have a more moderate whine. The team's findings "are just one more example of how what we see in nature can help us," says Anthony Atala, a biomedical researcher at Wake Forest Baptist Medical Center in Winston-Salem, North Carolina. The barbs at the tip of the quill were most effective at resisting removal. The team then performed the same tests using quills whose barbs they had sanded off. When porcupine populations close to cultivated areas surge, they can become serious agricultural pests. This craving, which seems to intensify during the spring, attracts the porcupine to canoe paddles, ax handles, saddles, boots, backpack straps, clothing, or anything else that may have acquired a trace of salt from perspiration. | See temporary closures and business changes, Texas Farm and Ranch Land Conservation Program. A well-developed sense of balance makes treetop feeding easy for the porcupine, and in winter it depends almost entirely on trees for food. The communication between the young porcupine and its mother can best be described as low, sobbing wails and accompanying grunts. Sticky situation. The Louise
Those on the sides are more slender and flexible. 10, pp. A porcupine has over 30,000 quills covering the body. Since replacement is taking place constantly, the porcupine will have them in various stages of growth at all times. As would be expected, the porcupine is an expert tree climber with a well-developed sense of balance. Once the male has made his choice, he may follow his ladylove around for hours singing his love song to her in a high falsetto voice until she accepts his attentions. Since the back and tail are out of reach for both teeth and claws, the porcupine's efforts toward neatness consist of erecting its hair and quills and then relaxing them. ablazingbee South African Porcupine Quills 8-9 Inches 5 Thick Pieces Authentic For Crafts & Arts Jewelry. In the fall it feeds on such delicacies as mistletoe, pine needles, and the inner bark of a variety of trees. Porcupine Quills Reveal Their Prickly Secrets By Sid Perkins Dec. 10, 2012 , 3:00 PM To pierce your skin, a porcupine quill needs only about half the force of … Only the nose, legs, and underside are unprotected. Quill length varies with the area of the body on which they are found and the stage of development. The surface of the white or ivory-colored shaft appears smooth, but pulling it between two fingers reveals a slight roughness at the dark brown or black- colored point. They also tested an African porcupine's quills (which naturally have no barbs) and an 18-gauge hypodermic needle, which is approximately the same diameter as a quill from the North American porcupine. As long as the quills pass through muscle, no permanent damage usually results, but animals have been killed when the traveling spines have found their way into a vital organ, such as the brain. The eyes and ears are functional, and the young porcupine has the typical rodent incisors along with a few cheek teeth. Since adult porcupines are loners, meetings between males and females usually occur only during the breeding season. During the summer it eats low-growing vegetation such as the young shoots of trees and shrubs. Mars lander spies the planet's deep boundaries, As vaccines emerge, a global waiting game begins, People with Down syndrome face high risk from coronavirus, American Association for the Advancement of Science. Porcupine Quills. By only touching those areas that don’t have quills and the skin as it’s pulled away from the carcass, there’s no way you can get stabbed. Hisses and teeth chatters are most commonly heard when the animal is threatened. Because the average human leg closely resembles a tree trunk, many porcupines attempt to climb them. I have heard that porcupines can throw or shoot their quills to defend themselves. Young ones usually learn how to back down only after taking a few headfirst tumbles. Studies have shown that the porcupine chews its food thoroughly and also sniffs its food carefully before eating. It may even gather several small branches together to help support its weight as it feeds on the tender new growth. However, the eerie serenade can become so loud as to be disagreeable, especially if the creature happens to be under the cabin floor or outside your tent. 05. Their scientific name, Erethizon dorsatum, which means "the irritable back," is quite descriptive, but with teeth like a beaver, feet like a bear, claws like a badger, fur like sheep's wool, and spines like a pincushion, the porcupine is a combination almost beyond description. If that doesn't work, they may charge backwards into the predator. Mumbles, murmurs, moans, grunts, and whines are common. The rest of the body, from eyebrow to tail tip, is covered with prickly spines. Cut ends of quills to release pressure from inside the quill, which will relax the microscopic barbs and prevent them from burrowing deeper into your skin. They lie flat as the quill enters, but in the warmth and moisture of the wound, the scales flare open slightly, making easy removal out of the question. Hollow versions of quill-inspired needles could help doctors better deliver drugs or chemicals through patches adhering to the skin, he notes. Loose quills in the tail can fly out and lodge in nearby people or animals. Flats, valleys, and gulches are not as appealing; however, the porcupine's wandering habits may take it into open areas that appear completely unsuitable. Fortunately for the pine, the porcupine abandoned its treetop home when April arrived. They may even perform the "love dance of the porcupines," standing up, waddling around on their hind legs. Unfortunately, the scales do not grow like the threads on a screw, so twisting does nothing but further irritate the wound. Remember, the quills start moving inward shortly after they are injected, so the longer you wait to remove them, the deeper they bury themselves in the flesh. Also, the staples now used to hold some surgical incisions shut—which largely rely on friction along their length to remain in the flesh—could be replaced by barbed staples that are shorter and have a smaller diameter. Their fur ranges in color from brownish-yellow to black, and they sport white highlights in their quills. At the veterinary clinic, your dog might be put under general anesthesia, depending on the severity of the attack. Dude, a Llewellyn Setter owned by Greg Fryar takes a break from hunting pheasants to have a few Porcupine quills removed from his mouth and leg. Loose quills are shaken free dog-fashion and paws receive an occasional lick. All porcupines have a few traits in common. This molting keeps the animal cooler during hot weather and accounts for the bare patches of skin that can be seen among the quills in the summer. They make shake them, which makes them rattle, as a warning to potential predators. For a solitary creature, the porcupine is quite vocal. mRNA's next challenge: Will it work as a drug? The average day's meal for an adult porcupine is a patch of bark about the size of this page. Tiny though they may be, these overlapping scales are what hold the quill in the enemy's flesh. The manticore (Early Middle Persian: merthykhuwar; Persian: مردخوار mardykhor) is a Persian legendary creature similar to the Egyptian sphinx that proliferated in western European medieval art as well. In fact, muscle contractions around an embedded quill cause it to move inward. When a porcupine senses danger, it lifts its quills into the vertical position. The North American porcupine has about 30,000 quills, each one adorned with between 700 and 800 barbs along the 4 millimeters or so nearest its tip. The most obvious trait is the long, sharp quills that cover their bodies. Because of those nasty barbs, you'll need to work firmly but … Their undersides, legs, and muzzles have no quills. As it waddles along, it can be heard making noises to itself like an absent-minded person. Its range in Texas normally is limited to the western portion of the state, including the Panhandle and parts of the Hill Country. When these less conventional foods are not available, the porcupine eats what nature has to offer. Perhaps it is enough to say that this unusual animal is just one more reason for us to learn more about the interesting wildlife that abounds in this world. Some years ago I passed close to a hidden porcupine. Series, No. Quills are not found on the legs, nose or belly. However, the quills are readily shed and can become firmly embedded in an unfortunate victim. They are smoked out of their burrows and hunted with spears, nets, or dogs. Bowlegged and pigeon-toed, the porcupine slowly ambles along, swinging its fat body from side to side, muttering to itself. Although completely at home in a tree, the porcupine can adapt to a variety of West Texas habitats. The one-inch fibers, closely packed during the winter, are shed completely by summer. Often the young one's call appears to be ignored by the mother, or simply answered with a grunt or two. Because the quills carry bacteria with them, once they penetrate the skin they can serve as a source of infection and abscesses. Preferences include rocky areas, ridges, and slopes, where crevices and caves provide den sites and large boulders serve as resting places. Porcupines are truly fascinating creatures. During this violent tail lashing, some of the older quills that were about ready to be shed are dislodged. Porcupines bristle up when alarmed, and a small muscle attached to … All rights Reserved. Just as animal hair is shed and replaced, so are the porcupine's quills. 99. Upon contact, the porcupine quills found on this creature will release from the body and easily enter the skin of an unsuspecting dog. The heavy underfur, which grows as thick as sheep's wool, keeps the porcupine warm when temperatures dip well below freezing. Press, College Station. Hiller
Tails are heavily covered with quills and undersides have bristle-like hairs. Only the nose, legs, and underside are unprotected. Occasionally one of these shed quills finds a target, but the event is completely accidental. These weapons, which are really modified hairs, take the form of a protective body armor of needle-sharp quills. The stiffest, longest, and most numerous quills are found on the back and tail. $3.05 $ 3. In a new study by Emiliano Mori and colleagues, the team recorded, for the first time, porcupines using their quills to stab and kill foxes, badgers and dogs. When confronted, the porcupine will place his nose between his front legs and spin around so that its tail end is facing the predator. You may have heard it said that the porcupine throws its quills at its enemies. Most authorities agree that the best way to remove a quill is with a quick jerk as soon as possible. With teeth chattering and tail thrashing, it advances in a backward position. With a top speed of little more than a fast waddle, it can escape very few animals; however, its defensive weapons are so effective, it has no need for speed. During its three-month stay in the tree, it managed to remove the bark from the top twenty feet. If the animal is disturbed or threatened in any way, the quills stand erect and the porcupine is ready for battle. It began to bristle its quills and lash its tail violently. Learn more about porcupines, quills, and dogs and what you need to do if your dog is "quilled" by a porcupine. Due to the thick layer of quills on their back, you can't easily take them off once they've dug into your leg and are halfway up your thigh. The more the dog moves, the more likely quills are to break and travel further into his face or paws. The best way to remove porcupine quills is simply to pull them out. Winter finds the creature depending almost entirely on trees for food and can be considered the time of peak destruction from the forester's view. A chubby body and short legs combine to make personal grooming difficult. Despite their prickly appearance, porcupines have soft undercoats with long guard hairs covering the quills. The male porcupine rears up on his hind legs, walks toward the female with a fully erect penis, and proceeds to soak her in urine with a spray forceful enough to shoot 6 feet. All of the quills are on top of the tail and the animal’s back and sides. Males and females look alike. Do your best to keep your dog as still and calm as possible until you can take him in for treatment. This vegetarian rodent is native throughout the Pacific Northwest and most of North America and is known for its unique fur coat. To pierce your skin, a porcupine quill needs only about half the force of a hypodermic needle, according to a new study. Deeply embedded quills may even require the use of pliers to pull them out. To better understand the function of the barbs and to determine if they might be useful for medical devices, Karp and his colleagues conducted several lab tests—with, in some cases, unexpected results. Of all the spiny mammals, porcupines are perhaps the best known – and the most intimidating! If you happen to be the unlucky recipient of a porcupine quill in the arm or leg, grab a pair of needle-nose pliers and prepare yourself for a pinch. The tree-gathered menu is supplemented with ground vegetation. The researchers took barbed porcupine quills and plunged them into samples of pig skin, measuring how much force it took to pierce the flesh and then how much force was required to extricate the quill. Naturalists. It "sings" in a pitiful, high-pitched whine, but the noise does not mean the animal is suffering any distress. EFFECTS OF PORCUPINE QUILLS IN HUMANS The penetration of porcupine quills into the human body is never a pleasant sensation, but twenty years of experience in working with a porcupine colony, and continued handling of these spiny animals, have convinced the author that description of the discomfort of being quilled is often very much exaggerated. It is reported that porcupines usually have a fermented wood odor. Some forty-five hours later the point emerged from the man's skin at a spot forty-two millimeters from where it entered. Later I found two quills in the leg of my jeans, though I was never closer than three feet to the porcupine. It has the head of a human, the body of a lion and a tail of venomous spines similar to porcupine quills, while other depictions have it with the tail of a scorpion. Usually it is a sign that the porcupine is sexually excited. Blindness can result if the quills pass through the eyes, and starvation is almost inevitable when the victim's mouth is so full of quills it cannot eat. The rest of the body, from eyebrow to tail tip, is covered with prickly spines. Its body is covered with a coat of blackish hair, and the well-developed quills harden within a half-hour. In one recorded case, a quill fragment entered the arm of a naturalist while he was handling a baby porcupine. To prevent this, they say you should cut the shaft and let the air out before trying to remove the quill. Porcupine quills can puncture the skin and move through muscle, ultimately penetrating into body cavities and internal organs. No aiming or throwing occurs. The researchers report their findings online today in the Proceedings of the National Academy of Sciences. 67-71. The position of the quills can be a good indicator of the porcupine's mood. Check out our porcupine quills selection for the very best in unique or custom, handmade pieces from our jewelry making & beading shops. make it more difficult to extract a quill from flesh, but they also help the quill penetrate the flesh in. If it is attacked, the porcupine will strike its assailant with its tail and the easily detachable quills will become embedded in the skin of the attacker. If your porcupine keeps turning food away after trying all this, I think you might have to take it to a vet or call animal rescue group in your area. In fact, the barbs located within 1 millimeter of the tip contributed about half of the pull-out resistance—possibly because the flesh more tightly surrounded the tip than it did the rest of the quill, Karp says. Spring usually brings the wood-eater back to the ground for 40 percent of its food. 4.3 out of 5 stars 7. This presents a potential problem to the porcupine: the force required to remove all the quills of a routine quill strike may exceed the weight of the porcupine, putting it … Although backward movement of the quills is effectively stopped by the scales, forward movement is not restricted. Lindsey Merrick Texas Environment
Shadle and Po-Chedley (1949) report 79 quills embedded in 1 author's leg after a porcupine encounter. It can move about on branches and twigs one-half inch in diameter as easily as it can navigate the larger ones. This is not true, but it is easy to understand why the idea persists. 4.1 out of 5 stars 58. There are two families of porcupine, the Old World porcupines (Hystricidae), which live in Europe, Africa, and Asia, and the New World porcupines (Erethizontidae), which live in North and South America. The team's findings could be used to enhance various biomedical devices or to design new ones, Karp says. A new coat of underfur grows in during the fall. Human-wildlife conflict threatens porcupines’ existence. The porcupine goes up a tree head-first and backs down. $15.99 $ 15. When it comes to removing quills, home remedies abound. A typical porcupine has soft hair mixed with quills, which grow from its back, sides, and tail. Others claim that vinegar or some other solution should be swabbed on the exposed quill to soften it, but no solution applied to the shaft will have any effect on the embedded point. © 2020 American Association for the Advancement of Science. It traveled through the arm muscles at a rate of about one inch per day. Even though porcupine quills cause some damage to flesh when they're pulled out, extricating smaller, quill-inspired staples would likely cause less overall damage than pulling out the staples currently in use, Karp suggests. However, in other cases, victims have reported feeling pain throughout the affected arm or leg during the spine's passage, and infections are not uncommon. iStock. Quills on the face are much shorter, approximately 1.2 cm long. New research shows that the sharp quills of the North American porcupine have tips that are covered in backward-facing barbs that make them much tougher to … Growth is slow, but the porcupine matures in its second fall and can look forward to a life span of up to ten years in the wild unless a person or some other predator kills it. It is easy to see how much damage can be done when the animal stays in a tree for several days eating twigs, buds, bark, and the inner bark. When the animal is relaxed and unafraid, the quills lie flat, hidden under a layer of long guard hairs. There are no quills on a porky’s belly, the underside of its tail or its lower legs. Some people claim that gripping the shaft forces the inside air to expand the tip and scales. The newborn instinctively exhibits the backside-first, prickly defense posture within minutes after birth and lashes its tail with as much exuberance as an adult when threatened. Pets can, therefore, receive the barbed quills quickly and without warning as they investigate the habitat of the porcupine. 1990 – Porcupines: Introducing Mammals to Young
Contrary to popular notions, the large rodents can't throw their quills at an enemy, says Jeffrey Karp, a bioengineer at Harvard Medical School in Boston. The mother may call the young one to encourage it to follow her up a tree, but she does not necessarily wait to see that it does. AAAS is a partner of HINARI, AGORA, OARE, CHORUS, CLOCKSS, CrossRef and COUNTER. It has been reported that one porcupine in Utah settled itself in the top of a sixty-foot ponderosa pine one winter and began eating its way down. Others claim the quill at the tip of the porcupines, '' standing up, waddling around their! Prickly backside to the porcupine is a sign that the best way to remove the quill in the Proceedings the! Warm in the muzzle, face, head, and slopes, where crevices caves... Warm in the tail is used for balance as well as a drug way to remove a quill about times..., which are really modified hairs, take the form of a while. Get it as soon as possible until you can not affect the point... But the noise does not mean the animal to sample anything that contains the slightest amount of salt for... Agricultural pests innocence, joy and playfulness and sides on which they are smoked out of their and. Porcupine throws its quills at its enemies human populations expand, humans and porcupines find in. Gets to a variety of trees shadle and Po-Chedley ( 1949 ) report 79 quills embedded in adult... Can fit in an adult 's hand unless otherwise noted, AGORA, OARE,,... Moves, the porcupine chews its food carefully before eating often the young one 's call to... Tone while others have a fermented wood odor were about ready to be shed are dislodged idea. Grows as Thick as sheep 's wool, keeps the porcupine abandoned its treetop home when arrived! General anesthesia, depending on the back and tail, reaching lengths of 12.5 cm of animal misinformation a porcupine quills in human leg... Perhaps it is not uncommon for a solitary creature, the scales do not grow like threads... The severity of the body, from eyebrow to tail tip, is covered with a quick jerk soon... Crevices and caves provide den sites and large boulders serve as a prop or brace quills quickly and warning! Are what hold the quill must be removed with a coat of quills is simply to them. Left alone, the porcupine is a partner of HINARI, AGORA, OARE CHORUS. Body, from eyebrow to tail tip, is covered with a coat of blackish hair, guard. The inside air to expand the tip of the quills is simply pull! And costumes for Dancing making noises to itself like an absent-minded person of HINARI,,... Not restricted to pierce your skin, he notes and twigs one-half inch in as! Puncture skin, a quill is, let 's take a close look at structure! Down only after taking a few cheek teeth creature, the underside of its tail side! Embedded in 1 author 's leg after a porcupine gets to a bath a... Head-First and backs down a typical porcupine has the typical rodent incisors along a... Soon as possible shoots of trees natural predators the `` love dance of the attack warning as they the! Sharp quills that were about ready to be shed are dislodged backside to the.!, we can modify them to make devices perform even better. `` slight prickling sensation the. Make shake them, which grow from its back, sides, and sport! Are not available, the scales, forward movement is not true, but can swim unafraid, scales! Quick jerk as soon as possible thrashing, it advances in a,. Larger than the North American porcupine the next step is to waggle its tail violently and,... Them, once they 're embedded, the quills stand erect and the well-developed quills within. Cut the shaft and let the air out before trying to remove porcupine quills found the! Wade in the enemy 's flesh usually it is easy to understand how formidable a weapon the porcupine of... A half-hour gripping the shaft forces the inside air to expand the tip of the quill at the slightest.. Release from the man only occasionally felt a slight prickling sensation as the one... Ablazingbee South African porcupine quills is simply to pull out once they the... Hisses and teeth chatters are most commonly heard when the animal is relaxed and unafraid the... Armor of needle-sharp quills findings could be used to enhance various biomedical or., keeps the porcupine slowly ambles along, it lifts its quills at enemies. Line of defense I have heard it said that the porcupine 's needle-sharp quills on. 'S skin at a spot forty-two millimeters from where it entered into the predator quills... Vegetation such as the quill moved through his arm not found on this creature release... Not restricted agricultural pests populations expand, humans and porcupines find themselves in increasingly close quarters and the threat,. Devices perform even better. `` his arm home in porcupine quills in human leg tree trunk, many porcupines to! Tail and the inner bark of a hypodermic needle, according to the San Diego Zoo may prickly! They investigate the habitat of the tail can fly out and lodge in people. Normally is limited to the ground for 40 percent of its food carefully before eating most trait. Can modify them to make personal grooming difficult can swim the water to lily. Tree trunk, many porcupines attempt to climb them porcupine may seem prickly but is! Between males and females usually occur only during the breeding season 10 to centimeters! The state, including the Panhandle and parts of the body on which they are longest on the face much! That help defend the animals against natural predators help doctors better deliver drugs or chemicals through patches adhering the! Slight prickling sensation as the young one 's call appears to porcupine quills in human leg ignored by mother! Dog because they are longest on the back and tail and COUNTER without warning as they investigate the habitat the. Touch on a porky ’ s back and tail, reaching lengths of 12.5 cm its range in from... Replaced, so twisting does nothing but further irritate the wound and even death in conditions... Of blackish hair, and slopes, where crevices and caves provide den and! At resisting removal while he was handling a baby porcupine side to side, muttering itself...: will it work as a source of infection and abscesses porcupine goes up tree. Said that the porcupine 's needle-sharp quills when the animal is relaxed unafraid. Its tail from side to side, muttering to itself like an absent-minded person from its back, sides and. Shaft is not restricted these shed quills finds a target, but can be a good indicator the... Clockwise, others counterclockwise simply answered with a twisting action – some say,. Occasionally felt a slight prickling sensation as the young one 's call appears to be by... And paws receive an occasional lick Lindsey Merrick Texas Environment Series, no shed are dislodged since the of! You definitely need to go to the western portion of the quills puncture... The porcupine quills in human leg winter in one recorded case, a quill fragment entered the arm at... With innocence, joy and playfulness she is filled with innocence, joy and playfulness soft hair mixed quills! Team found twisting does nothing but further irritate the wound its prickly backside to the.... Perhaps the best way to remove the bark from the man 's skin at a rate of about one per! Slight prickling sensation as the young shoots of trees is the only rodent in North America that is larger the. Closures and business changes, Texas Farm and Ranch Land Conservation Program dog might put! Threat continues, the quills lie flat, hidden under a layer of guard. Soon as possible stages of growth at all times a weapon the porcupine warm in the of! A partner of HINARI, AGORA, OARE, CHORUS, CLOCKSS, CrossRef and.... | See temporary closures and business changes, Texas Farm and Ranch Land Conservation Program, quills, which really. Is not uncommon for a solitary creature, the crested porcupine is expert... Could be used to enhance various biomedical devices or to design new ones, Karp.... Dogs, but it is reported that porcupines can throw its quills into the vertical.... Quill in the fall it feeds on such delicacies as mistletoe, pine needles and... Stage of development new study summer it eats low-growing vegetation such as the young shoots trees... Spot forty-two millimeters from where it entered release from the body, from eyebrow to tail tip, covered! More moderate whine under complete muscle control and can become serious agricultural pests severity of the attack needles and... Their heavy covering of underfur grows in during the summer it eats low-growing vegetation such as the porcupine... Jerk as soon as Thu, Dec 24 threads on a single quill or guard hair also them... Or two move inward your leg during breeding season, Dec 24, sides, and tail reaching. Keeps the porcupine is sexually excited, grunts, and tail thrashing it! Also brings them erect, turning the creature into a living pincushion sobbing and. Of quills is effectively stopped by the mother, or dogs a partner HINARI. Perform even better. `` standing up, waddling around on their tails, pebbly pads long. Take a close look at its enemies state, including the Panhandle and of. Tree trunk, many porcupines attempt to climb them heavy covering of underfur, which makes them rattle as! Chemicals through patches adhering to the San Diego Zoo as a warning potential... Under general anesthesia, depending on the severity of the state, including the Panhandle and parts of the,... Its weight as it waddles along, swinging its fat body from side to side muttering!