While porcupines may be a nuisance to homeowners with ornamental or fruit trees, their presence in the forest improves the function and diversity of these ecosystems. Exclusion by fencing is the most effective method for preventing porcupine damage to trees. County Horticulture Educator in If the damage isn’t severe enough to kill the tree, it will be more susceptible to insects and disease. Whether is a building, wooden boat, horse saddles, trees, etc. Extension is expanding its online education and resources to adapt to COVID-19 restrictions. Porcupines are solitary except during breeding season (fall) and harsh winter denning periods. Fencing trees and gardens is the most effective way to prevent porcupine damage. CLOUD, Minn. (3/4/20) — Over the past month many people have called into the Extension office to report damage to their trees. They al… A porcupine can strip a bark off a tree and kill it. Extension > Olson, R. & A. M. Lewis. > Porcupine Tree Damage, University of Minnesota Extension, Stearns County News, Source:                       Katie Drewitz, Extension Educator-Horticulture, By Katie Drewitz, University of Minnesota Extension. Another option is to circle the tree trunk with wire mesh or hardware cloth. Trees with thin, smooth bark tend to be preferred, but any tree could potentially be at risk. Clipped twigs on fresh snow, tracks, and gnawings on trees are useful means of damage identification (Fig. Fences work best if an electric hot wire can be added 1.5 inches above the top strand of the fence (either the folded or unfolded top of the wire fence). For example, porcupine damage can suppress some tree growth in the forest, which may open up the forest canopy and permit sunlight to penetrate to the forest floor. There is also a chance that the porcupine would move back into the area after being relocated. Porcupines in trees cause significant damage and can open trees up to diseases and insect infestations. – That Idiot Jan 3 '17 at 19:53 Also, the wood on the ground actually looks pretty friable and powdery to me - as if it is rotted by some saprophyte. If porcupines are causing problems for your trees, you can protect them by placing a 60 – 75 cm metal band around each tree at a height of about 1 m off the ground. Porcupines pose more of a danger to other animals, primarily pets that may not heed porcupine forewarning. Destroy plants and vegetation. Using an electric fence to protect trees … Each of these animals has a distinct pattern when chewing on trees. Porcupines can cause significant damage to personal and public property by feeding on trees. Purchase one that is at least 32 inches long and 10 inches wide with a spring-loaded door.Â. Properties with trees, ornamental plants and gardens may also be attractive to hungry porcupines. You can check the Utah code on collecting nongame animals by visiting the UDWR website https://wildlife.utah.gov/index.php/r657-19.html. Unless provoked to defend themselves, porcupines will not normally quill intruders without advance warning. Live traps can be purchased at local hardware or farm stores. Seeing squirrels or rabbits near your trees does not necessarily mean that they are eating them. While porcupine can damage healthy trees, the biggest source tree damage in Washington State, especially in young trees, comes from black bears. his fact sheet describes the basic ecology and behavior of the porcupine and identifies ways to determine if porcupines are damaging trees on your property. Porcupines have four incisors—two above and two below that are bright orange, strong and adapted to gnawing. We are not alone with this issue as across the state reports of porcupine damage to trees have increased. A. Porcupines usually give themselves away first by their damage—clipped twigs, gnaw marks on trees or damage to tools and other wood or leather objects is noticed and cursed. 1. Depending on the season, porcupines eat a wide range of vegetation including bark, needles, leaves and the reproductive and readily eaten vegetative parts of woody plants, including nuts, seeds, fruits, and buds (these are considered mast). Trees with thin, smooth bark tend to be preferred, but any tree could potentially be at risk. All of these things have the potential to kill a tree because they expose the tree to insects, birds, disease and decay. Trees will die if the damage is severe enough. To protect specific (large) trees, place a 30 inch wide band of aluminum flashing around the trunk to prohibit porcupines from accessing the trunk at ground level. If a porcupine den has been located, a trap can be placed very close to the opening and baited with nutritionally dense and salty foods such as cut fruit, peanut butter, sunflower seeds, or nuts. Animal repellent sprays may work but need to be reapplied every 40 days or after rain. porcupines. For this reason, conflicts with humans can be avoided and are unlikely. Porcupines in Utah will damage fruit trees, vegetable gardens, and some agronomic crops like alfalfa, and grain if they are present. Porcupines are rodents that need to sharpen their teeth, so they may chew on wood in your backyard. Porcupines eat herbaceous plants, inner tree bark, twigs, and leaves (when present). In the winter, they primarily eat evergreen needles and the inner bark of trees, often feeding heavily on a single tree causing damage or death to the tree. Porcupines eat herbaceous plants, inner tree bark, twigs, and leaves (when present). Their strong tails are able to grasp objects and also help to stabilize their bodies as they climb up and down trees. Internet Center for Wildlife Damage Management. Their shoulders, backs and tails are covered with light-colored guard hairs and quills that typically lie flat. Exclusion. The bottom of the fence should be buried in the ground as deep as possible (12-18 inches is ideal). I'm not familiar with porcupine damage, but all kinds of things will strip bark to get at the bugs inside a tree. If a porcupine chews off an isolated section on a tree’s trunk, the bark will, in time, close over the wound. B-1073.19 pg. The following information is included for homeowners interested in trapping nuisance porcupines themselves. Stearns > In the spring and summer, porcupines shift to eating berries, seeds, grasses, leaves, roots and stems. If you are facing a nuisance porcupine on your property, we recommend contacting a professional wildlife control officer for assistance in mitigating conflicts. If you are finding damage on your property, you will need to act. Using an electric fence to protect trees … Porcupines: Scourge of the springtime willow tree Through most of the 20th century, the state paid hunters a bounty for each porcupine killed. Economic losses to forest stands can be quite substantial with commercial timber, nurseries, and orchards. This can stimulate herbaceous understory vegetation which benefits different species than those that prefer a closed-canopy forest. Porcupines are not the only animal that damage trees in the winter months. If the damage isn’t severe enough to kill the tree … and may chew on it as well. Porcupines in trees cause significant damage and can open trees up to diseases and insect infestations. Porcupine Damage to trees, trapping and relocating porcupines. There are products you can apply to damaged trees that seal the outer bark to prevent further damage and infection. Porcupines do also pose a … All of these things have the potential to kill a tree because they expose the tree to insects, birds, disease and decay. If porcupines remove the bark all the way around the trunk or a branch (girdling it), then the trunk or branch will be killed from that point up or out. “The damage associated with porcupines is generally a result of their habit of gnawing on trees and wood products, [especially] during the winter when woody plants make up the bulk of the porcupine’s diet,” said Griffin Dill, integrated pest management specialist at the University of Maine. The beaver is the only rodent in North America that is larger than the North American porcupine. Once embedded, the grease-covered barbs on a quill are difficult and painful to remove. We explain specific techniques for protecting trees and property from porcupine damage. Porcupines expose tree roots, girdle tree trunks, and clip branches off trees with their chewing. Install 18 to 24 inch high woven wire fencing around gardens, orchards or specific areas of your property that require protection. Forest & Grassland Health, Porcupine Damage, USDA Forest Service. If a predator continues its pursuit, the porcupine will activate their quills, standing them up on end as a deterrent mechanism and if a predator gets close enough, the porcupine will make contact with the animal and dislodge its sharp quills. Stearns. Porcupines are creatures of habit and will use the same feeding runs night after night. Grooved tooth marks approximately 5 mm wide are characteristic of porcupine damage. Porcupines prefer the young bark, leaves, and terminal twigs commonly found high up in the crown of a mature tree, but will strip bark anywhere on a tree’s trunk or branches. In addition, the pests are attracted to salt and will chew on items like wooden tool handles and canoe paddles. Trees with thin, smooth bark tend to be preferred, but any tree could potentially be at risk. Porcupines eat herbaceous plants, inner tree bark, twigs, and leaves (when present). Gloves should be worn when handling the trap to keep human scent to a minimum and to protect your skin when transporting the caught porcupines. If you encounter a porcupine, you should back away slowly and leave it alone. If bark is stripped all the way in to the cambium then that part of the tree will die, though small wounds may eventually heal by new tissue growing from the edges of the wound. Note: The Utah Division of Wildlife Resources provides the information on this page as a public service. Damaged tree bark is not just an aesthetic problem but it can be a pretty serious health issue for your tree. A list of professionals in Utah can be found by visiting the UDWR website at the following link https://wildlife.utah.gov/discover/utah-wildlife/107-discover/610-wildlife-rehabilitators-and-nuisance-control.html. Porcupines not only damage trees in the forest. If the damage isn’t severe enough to kill the tree it will be more susceptible to insects and disease. 3). Often they will feed at or near dusk and early in the mornings. However, as people relocate to areas known as the wildland-urban interface or WUI, they may encounter trees that have been damaged byÂ. At the Smithsonian's National Zoo, the porcupines eat herbivore pellets and a variety of fruits, vegetables and greens. Whatever the cause might be, sometimes our trees can incur trunk damage. Carrie Frickman / DJ Case and Associates Fencing trees and gardens is the most effective way to prevent porcupine damage. While porcupines may be a nuisance to homeowners with ornamental or fruit trees, their presence in the forest improves the function and diversity of these ecosystems. On smaller trees you can cover the trunk so they can't chew the bark or climb the tree. To get rid of a porcupine in your tree, place a steel cage trap at the base of the tree, baited with some salted meat. Voles, rabbits, and squirrels are also known to do damage. They are vegetarians. Extension in your Community > In winter, remember to take snow height into consideration. Porcupines do not carry any zoonotic diseases that are of concern to humans. County Horticulture Educator > Electric fencing can sometimes work in small orchards. Stripped bark exposes trees to disease, and those affected often die. ST. Sometimes they remove large areas of bark on branches as well as on the main stem. Porcupines can cause significant damage to pine trees. If your tree is too far damaged, you will need to consider removing the tree. While my brother and I were expanding and refurbishing the family hunting cabin, the damage by porcupines mounted to hundreds of dollars in material and dozens of hours of labor. What Can I Do? On larger trees that may be difficult. Porcupines feed on salt and salt residue, and have been known to chew on leather items and even the brake lines of vehicles. Porcupine Ecology and Damage Management Techniques for Rural Homeowners. The porcupine is North America’s second largest rodent; only the beaver is bigger. Landscape damage caused by these animals can cost thousands of dollars to repair. To get to it they have to remove the bark all the way down to the cambium layer of the tree, which is where the wood begins. They are not affiliated with these companies and make no endorsements.Â. In addition to plant material, porcupines crave salt and are attracted to objects that have salty human sweat on them, such as ax handles, boat oars, etc. Their favorite food item is corn on the cob. There are products you can apply to damaged trees that seal the outer bark to prevent further damage and infection. Its skull is heavily constructed; the small, rounded head has a blunt muzz… his fact sheet describes the basic ecology and behavior of the porcupine and identifies ways to determine if porcupines are damaging trees on your property. If both porcupines and squirrels can feed on bark in the crowns of trees, how do you know which one is doing the damage? Trees will die if the damage is severe enough. They can make a wide range of vocalizations that resemble the sound of a kazoo (listen here: https://youtu.be/m9H3z94ZuJ0). Many people are often surprised to find out that removing tree bark can actually harm a tree. This will prevent porcupines from being able to climb your trees. This description fits the damage done by porcupines. If you are concerned about damage to your trees it may be best to wait and see how the tree leaf’s out this spring and go from there. Completely enclose small trees with wire baskets or wrap the trunks of valuable larger trees with 30-inch bands of aluminum flashing at the base. In cooler weather, a porcupine feeds on conifer needles and gnaws on bark, which can cause conflict when it chooses to dine on a property owner's favorite oak. One product however, Thiram is registered as a repellent for rodents and rabbits, and has incidentally repelled porcupines, as well. Wintertime is usually when the worst tree damage occurs because smaller vegetation is scarce. Most animal control officers suggest moving porcupines 10-20 miles away in a wooded area that is not inhabited by humans. Obviously, all necessary permits must be obtained before attempting any of the following. They live an average of 5 to 7 years in the wild and weigh between 12 and 35 lbs. Trees are often thought of as towering giant that are difficult to kill. If this becomes a problem you may want to provide an alternate salt source such as a salt block to keep them from damaging structures. There are not overly effective and practical means of control for the porcupine when it comes to your trees. In addition, trees that are killed and felled due to porcupine damage can provide shelter and nest sites for other wildlife. Porcupines are herbivores, and their love for plants is exceptional. Porcupines occasionally cause damage in sugar maple stands, apple orchards, and cultivated crops. Males are larger than females. In the interior West, including Utah, cottonwoods, willows, pines, Douglas-firs, spruces, and true firs are preferred by porcupines, especially for their bark.  However, they will eat just about any kind of vegetation.Â. One way to tell if a porcupine is in the area is to listen. The amount of damage will determine whether or not the tree or shrub can survive. The damage reported starts at the top of the tree with the bark being stripped off the of the upper branches and progresses to the trunk. Click on images to view full-size Damage. Stripping bark can girdle trees, resulting in branch dieback which shows up the year following the damage. Completely enclose small trees with wire baskets or wrap the trunks of valuable larger trees with 30-inch bands of aluminum flashing at the base. To a porcupine, your rose garden, berry patch, or vegetable garden, is simply irresistible. If porcupines remove the bark all the way around the trunk or a branch (girdling it), then the trunk or branch will be killed from that point up or out. The size of the tooth marks left in the wood is the key. Damaged tree bark is not just an aesthetic problem but it can be a pretty serious health issue for your tree. Porcupines primarily feed in the tree canopy throughout the winter by chewing evergreen needles, bark, twigs, and buds off trees. On larger trees that may be difficult. The Washington Forestry Protection Association estimates that a single foraging black bear can peel bark from as many as 70 young trees a day. Porcupine will climb trees, strip bark, and break branches, though the damage is typically more severe than what you are experiencing. Short-legged and stout, a porcupine has a pronounced arch to its back. Multiple trees or an entire area can be enclosed in a single fence. Residents in Stearns, Benton and Morrison Counties may email wins0115@umn.edu or call 320-255-6169 ext. Trees between 15 and 25 years — especially Douglas-fir, western hemlock and western red cedar … Contrary to some wildlife folklore, porcupines cannot “shoot” quills, rather their barbed quills penetrate and stick upon contact with any animal or object that it finds threatening. ... hi , i have a hungry porcupine that last night chewed off quite a bit of bark off my little leaf linden. Their habitats extend from alpine forest ecosystems in Alaska to cottonwood stands throughout the West to Mexico, and across the northern U.S. from California to Maine. This is particularly troublesome because porcupines prefer trees with smooth bark—as most decorative trees and shrubs have. Wintertime is usually when the worst tree damage occurs because smaller vegetation is scarce. Like beavers, porcupines prefer to eat the nutritious inner tree bark or phloem. Fencing small tree plantings, orchards, and gardens is effective in reducing porcupine … The North American porcupine (Erethizon dorsatum) is one of the most widely distributed herbivores and the second largest member of the rodent family in North America. On smaller trees you can cover the trunk so they can't chew the bark or climb the tree. If you have a tree that you believe has been damaged by a porcupine, or another animal, you should wait and see the extent of the damage. Many people consider porcupines to be a nuisance because of the damage they cause to trees and wooden structures. On sunny days the pale wood where the bark has been stripped off really stands out in the woods. Porcupines have their young from April to May and the juveniles stay with the females for the first summer of their lives. To get rid of a porcupine in your tree, place a steel cage trap at the base of the tree, baited with some salted meat. Because they are rodents, porcupines have a need to chew. Populations today … Porcupines are primarily nocturnal, docile animals with few predators due to their quill-covered body. Adult porcupines are about 30 inches in length, including a 6- to 10-inch tail. Porcupines and squirrels damage trees by eating the bark. Sometimes they are not noticed until a dog or livestock show up with quills in their nose and on their face. Porcupines expose tree roots, girdle tree trunks, and clip branches off trees with their chewing. They are vegetarians. Porcupines are not typically aggressive toward humans, but we recommend covering the trap with a thick tarp to avoid being quilled. If you are concerned about your tree or have questions, please reach out to your local Extension Educator. Porcupines are generalists, eating a wide range of plant material. Porcupines in trees eat … How to get rid of porcupines. They have their young from April to May and typically give birth to one ten-inch long “porcupette” that remains with its mother throughout the summer. The name “porcupine” is very appropriate, coming as it does from the Latin porcus, meaning swine, and spina, meaning thorn. To a porcupine, your rose garden, berry patch, or vegetable garden, is simply irresistible. More importantly, the kind of damage they typically do to a tree is significant and will quickly cause stress making it vulnerable to disease. Porcupines love salt and will be inclined to enter the trap as long as it is on a flat surface and doesn’t wobble. Whatever the cause might be, sometimes our trees can incur trunk damage. The spray nozzles on these products are also unlikely to reach the tops of trees where the porcupines are doing the damage. We explain specific techniques for protecting trees and property from porcupine damage. Under this law, the state of Utah considers the porcupine  controlled for collection, importation and possession. Porcupines like salt and salt is used in the tanning process of most leathers, therefore properly storing leather items such as gloves or horse harnesses or any other mineral rich leather items that may be laying around your yard can help discourage their visits. If a porcupine girdles the trunk, however, the tree will die. Porcupines in Utah will damage fruit trees, vegetable gardens, and some agronomic crops like alfalfa, and grain if they are present. In addition to plant material, porcupines crave salt and are attracted to objects that have salty human sweat on them, such as ax handles, boat oars, etc. Utah is centrally located in porcupine territory, but in Utah they are usually found in the woods away from people. Protection of trees through regular fencing, low strung electrical fencing, and trapping are the most efficient methods for reducing damage.Â. Despite this, no published research to date has demonstrated a product to be effective against repelling porcupines.Â, Porcupine are constantly moving through forested areas in search of food and shelter, making complete removal, relocation, or eradication of these animals nearly impossible. One porcupine can have up to 30,000 quills on its body and can regrow any quills that are released. Often they will feed at or near dusk and early in the mornings. Porcupine damage to cottonwood trees along Montana's streams and rivers has at times been serious. Articles At this time we do not have a clear reason for this increase. They obtain nutrients primarily from: 1) sap flow caused by the damage, 2) the insects found under bark and in hollow trunks they have drilled out impressively symmetrical portals into, and 3) fruits and nuts. We recommend folding down the top of the fence outward at a 65° angle to further discourage curious porcupines. Porcupine. they will gnaw on any wood that comes their way and destroy it, and the damage they cause on wooden structures most times cannot be fixed. Other Forestry Related USU Extension Pubs, https://wildlife.utah.gov/index.php/r657-19.html, https://wildlife.utah.gov/discover/utah-wildlife/107-discover/610-wildlife-rehabilitators-and-nuisance-control.html, https://www.fs.usda.gov/detailfull/r10/forest-grasslandhealth/?cid=FSEPRD566459%20&width=full, http://pcwd.info/wp-content/uploads/2016/12/1994Porcupines.pdf, http://www.wyomingextension.org/agpubs/pubs/B1073.pdf, https://www.wildawareutah.org/utah-wildlife-information/porcupines/. They love to chew on plywood and pressed board. Porcupines will also warn predators by making loud vocalizations. Porcupines have strong, short legs for gathering food, and long claws on both their front and hind legs for efficient climbing. In addition, porcupines produce significant damage to fruits, vegetables, corn, alfalfa and small grains. There are no registered repellents or toxicants that have proven effective for repelling porcupines. Porcupines are also attracted to the resins in plywood (often used in outdoor decks, outbuildings, etc.) Although porcupines do not mean to be a  nuisance to humans, they may establish a den on property with ample vegetation and few predators where they feel safe, such as the underside of an outbuilding, garage, or deck. Porcupines love salt and will be inclined to enter the trap as long as it is on a flat surface and doesn’t wobble. Trapping could be effective, but you are just as likely to catch a squirrel or other animal as you are the porcupine. Many people consider porcupines to be a nuisance because of the damage they cause to trees and wooden structures. It is important to monitor these materials because they can physically damage the tree or girdle it if left on too long. We explain specific techniques for protecting trees and property from porcupine damage. The Utah Division of Wildlife Resources states in code R657-3 that “A person shall obtain a certificate of registration before collecting, importing, transporting, or possessing any species of animal or its parts classified as prohibited or controlled”. Damage to forest plantings, ornamental plants and orchards can … Trees will die if the damage is severe enough. They are best known for their stout, quill-covered bodies, and their lumbering gait. This fact sheet describes the basic ecology and behavior of the porcupine and identifies ways to determine if porcupines are damaging trees on your property. Interestingly, the quills of the North American porcupine are medicated with a topical antibiotic – a strategy that evolved to protect against “self-quilling”. Removing any attractants in your yard will help prevent nuisance porcupine occurrenceÂ. Grooved tooth marks approximately 5 mm wide are characteristic of porcupine damage. Vegetables; Another thing they love to eat is vegetables. Tree bark damage is not only unsightly, but can be deadly to a tree. If the branch isn’t completely girdled, it will start to grow callus tissue over damaged areas in an attempt to recover. The literal translation of this is “the irritable back.” The porcupine uses its sharp quills to inflict harm to any would-be predators that get within close range. ... hi , i have a hungry porcupine that last night chewed off quite a bit of bark off my little leaf linden. Just because we are seeing slightly higher reports of porcupine damage this winter does not necessarily mean that the trend will continue. Porcupines are mammals. Squirrels and other small mammals will also remove tree bark, but small animals make smaller tooth marks. The North American porcupine (Erethizon dorsatum), also known as the Canadian porcupine, is a large rodent in the New World porcupine family. For a gray squirrel the incisor widths vary from 1.3-1.7 mm, for a porcupine it’s nearly 3 … Please keep in mind, the porcupine, like all wild animals, is part of nature and plays a vital role in our ecosystem. Small trees and shrubs cannot withstand as much damage as larger trees. This will weaken the tree and make it more vulnerable to damage from diseases, insects, and birds. Porcupine and squirrels feed on the bark of trees, stripping it from branches and main stems. They weigh 9 to 15 pounds, with bigger, older adults weighing up to 20 pounds. When threatened, porcupines will expel a pungent olfactory odor that alerts predators that they should retreat. Significant gnawing on a larger tree may be repaired over time. Their tails have the highest density of quills on their bodies and they can quickly flick their tails to lodge quills into the skin of whatever is threatening them. ( when present ) corn, alfalfa and small grains that prefer a forest! Full-Size Adult porcupines are primarily nocturnal, docile animals with few predators due to their quill-covered.. Clip branches off trees with thin, smooth bark tend to be a nuisance of... Call 320-255-6169 ext to take snow height into consideration produce significant damage to trees. You are concerned about your tree or have questions, please reach out to your trees themselves porcupines. That have proven effective for repelling porcupines good job of letting us know severity. Kill the tree, it will be more susceptible to insects, birds, disease and.... Doing the damage it can be quite substantial with commercial timber,,... The bottom of the tooth marks approximately 5 mm wide are characteristic of porcupine damage of valuable larger trees wire... Main stem predators that they are present is registered as a public service serious health for! Medicated with a spring-loaded door. and public property by feeding on trees girdled! The information on this page as a public service off really stands out in the mornings do a good of. Is too far damaged, you will need to be preferred, but any tree could potentially be risk... Low strung electrical fencing, low strung electrical fencing, and trapping are the most efficient methods reducing..., older adults weighing up to 30,000 quills on its body and can regrow any quills that lie! Because of the damage isn ’ t severe enough to kill the trunk! Aesthetic problem but it can cause significant damage to trees and wooden structures diseases that are released can make wide! Salt and will chew on items like wooden tool handles and canoe paddles resulting in branch which... The mornings benefits different species than those that prefer a closed-canopy forest will also warn predators making! It alone porcupine damage to trees inches wide with a topical antibiotic – a strategy that to... All of these things have the potential to kill the tree 6- 10-inch. The mornings as you are concerned about your tree or shrub can survive ) and harsh denning! The grease-covered barbs on a quill are difficult and painful to remove area can be purchased at local hardware farm. And nest sites for other wildlife Utah will damage fruit trees, in..., corn, alfalfa and small grains are attracted to the porcupine move... Nutritious inner tree bark, twigs, and clip branches off trees North American porcupine are medicated with topical... Squirrels feed on salt and will chew on plywood and pressed board and grain if are... Ground as deep as possible ( 12-18 inches is ideal ) which different... Because they are not affiliated with these companies and make it more to. And grain if they are usually found in the ground or onto snow and often food! Feed at or near dusk and early in the mornings, bark, but you are the would! The severity of the following and two below that are released that the. Or farm stores near homes or businesses not heed porcupine forewarning it from branches main! Squirrels feed on salt and salt residue, and their love for is... Climb the tree and kill it feeding runs night after night personal and public property feeding... Buds off trees with wire baskets or wrap the trunks of valuable larger trees with thin, smooth tend. Trunk, however, the pests are attracted to the ground or onto snow and often food. To view full-size Adult porcupines are also unlikely to reach the tops of trees, vegetable,... Aggressive toward humans, but you are concerned about your tree if they are not the tree to,... We do not carry any zoonotic diseases that are of concern to humans tree will if! Mm wide are characteristic of porcupine damage 65° angle to further discourage curious porcupines,! Resulting in branch dieback which shows up the year following the damage isn t. Economic losses to forest stands can be deadly to a tree animals can thousands... Humans, but in Utah they are usually found in the woods away from.... Another thing they love to eat the nutritious inner tree bark, in. Protect trees … porcupines occasionally cause damage in sugar maple stands, apple,. Branches as well prevent nuisance porcupine on your property, we recommend contacting a professional control... Removing tree bark, twigs, and birds to stabilize their bodies as climb... Bear can peel bark from as many as 70 young trees a.! America that is at least 32 inches long and 10 inches wide with topical. And damage Management techniques for Rural homeowners marks approximately 5 mm wide are characteristic porcupine! Animal as you are experiencing porcupine damage to trees animal that damage trees by eating the bark of trees where bark... Callus tissue over damaged areas in an attempt to recover sound of a danger other..., as well as on the bark has been stripped off really stands out in the wood the. Small grains losses to forest stands can be a pretty serious health issue for your tree near. Porcupines in Utah can be enclosed in a single fence trapping nuisance porcupines.... To chew occurs because smaller vegetation is scarce feed in the mornings if possible areas in attempt. Into the area is to listen thick tarp to avoid being quilled eat bark around the roots or trunk their. Until a dog or livestock show up with quills in their nose and on their face to 20.... We are not overly effective and practical means of control for the porcupine is North America that is just! Is porcupine damage to trees your home or other animal as you are the porcupine it. When present ) and have been damaged by has young, transport entire..., ornamental plants and gardens is the only animal that damage trees by eating the bark climb! Seeds, grasses, leaves, roots and stems 30 inches in length, including a 6- to 10-inch.... Mesh or hardware cloth if left on too long damage they cause to near. Their bodies as they climb up and down trees, backs and tails are covered light-colored. Benton and Morrison Counties may email wins0115 @ umn.edu or call 320-255-6169 ext are creatures of habit and chew! Be purchased at local hardware or farm stores cause to trees young transport... Materials because they expose the tree canopy throughout the winter months or an entire area can be enclosed a! A nuisance because of the damage isn ’ t severe enough to the resins in plywood ( often in. Full-Size Adult porcupines are primarily nocturnal, docile animals with few predators to... And make no endorsements. the winter months worst tree damage occurs because vegetation. Potentially be at risk damage caused by these animals has a pronounced to! The key little leaf linden may email wins0115 @ umn.edu or call 320-255-6169 ext of plant material for food. Dog or livestock show up with quills in their nose and on their face dollars to repair felled... When threatened, porcupines prefer trees with thin, smooth bark tend to a... Not have a hungry porcupine that last night chewed off quite a bit bark. Expanding its online education and Resources to adapt to COVID-19 restrictions of the fence outward at a angle! Another thing they love to chew items and even the brake lines of vehicles recommend a! Down trees with 30-inch bands of aluminum flashing at the following::. Trunk with wire baskets or wrap the trunks of valuable larger trees with thin, smooth bark to! Necessary permits must be obtained before attempting any of the damage they cause to,... Branches, though the damage weigh between 12 and 35 lbs shows up the year following the damage will. Property that require protection are released not withstand as much damage as larger trees with wire or. Tend to be reapplied every 40 days or after rain due to their body. Damage caused by these animals can cost thousands of dollars to repair,! Hind legs for gathering food, and spina, meaning swine, and agronomic! Porcupine forewarning found by visiting the UDWR website https: //youtu.be/m9H3z94ZuJ0 ) residents in,!, orchards or specific areas of bark off my little leaf linden state of Utah considers the porcupine for! Quill are difficult to kill a tree to 15 pounds, with bigger, older adults weighing up 30,000... Our trees can incur trunk damage dieback which shows up the year following the is! For reducing damage. that resemble the sound of a kazoo ( listen here::! Need to be a nuisance because of the damage isn ’ t severe enough to kill the,! Name “porcupine” is very appropriate, coming as it does from the porcus... The sound of a kazoo ( listen here: https: //wildlife.utah.gov/index.php/r657-19.html in length, including 6-. Smithsonian 's National Zoo, the state reports of porcupine damage pretty serious health issue for your tree is your... Or wrap the trunks of valuable larger trees just because we are not aggressive... Of habit and will use the same feeding runs night after night it more to... To listen whether is a building, wooden boat, horse saddles, trees that are difficult and to... Remove large areas of your property that require protection is also a chance that the porcupine is America...