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Topic: North American Porcupine

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	Porcupine - Wikipedia, the free encyclopedia
		Porcupines are rodents best known for their coat of sharp spines, or quills, that defend them from predators.
		The porcupines include the fourth largest rodent, after the capybara, mara, and beaver, and are not to be confused with hedgehogs which are insectivores.
		Porcupines occupy a wide range of habitats in tropical and temperate parts of Asia, Italy, Africa and the Americas.
	en.wikipedia.org /wiki/Porcupine (472 words)

	North American Porcupine - Wikipedia, the free encyclopedia
		The North American Porcupine (Erethizon dorsatum), also known as Canadian Porcupine, is a large rodent in the New World porcupine family.
		Porcupines breed in the fall and the young porcupine (usually one) is born in the spring with soft quills which harden shortly after birth.
		Porcupines do not move very fast and are often hit by vehicles while crossing roads.
	en.wikipedia.org /wiki/North_American_Porcupine (354 words)

	North American Porcupine (DesertUSA)
		The North American Porcupine, best known of the New World species, is a heavyset, short-legged, slow-moving rodent that is usually solitary, nocturnal, herbivorous, and spends much of its time in trees.
		The Porcupine's feet have 4 toes on the forefeet and 5 on the hindfeet, all with long, curved claws and small textured knobby pads on the bottom.
		Although the Porcupine is usually regarded as arboreal and found in woodlands, individuals wander widely and have been observed among Creosote in all of the North American deserts.
	www.desertusa.com /mag99/mar/papr/porcupine.html (642 words)

	[No title]
		North American porcupines have small eyes and are very near sighted, however they have good olfactory, hearing, and tactile senses.
		North American porcupines feed on conifer needles and on the bark of a variety of trees during the winter season.
		North American porcupines are semi-arboreal and spend much of their time in trees, although they are known to come down to the ground to feed and to move from one tree to another.
	www.chez.com /rodent/Erethizontidae/Erethizontidae.html (821 words)

	NatureWorks - Porcupine (Site not responding. Last check: 2007-11-01)
		The common porcupine can be found in most of Canada and the western United States south to Mexico.
		Porcupines mate in late summer and early fall.
		The common porcupine is a solitary animal, although it may den with other porcupines in the winter.
	www.nhptv.org /natureworks/porcupine.htm (427 words)

	Home
		Porcupines are unable to shoot their quills despite the number of people who say they can, however, they will turn their backs in defense and raise those barbed weapons should a predator or curious dog get too close.
		Besides predators, one of the porcupine’s worst enemies is the ubiquitous automobile.
		Like all wildlife, the porcupine uses the roadways to cross from habitat to habitat, and this slow moving mammal is often injured or killed by collisions.
	www.yorkcenterforwildlife.org /learn_porcupines.html (405 words)

	Comparative Mammalian Brain Collections: North American porcupine (Erethizon dorsatum)
		North American porcupines are generally solitary, though two individuals may share a feeding tree and several individuals may share a den on a rotating basis.
		porcupine is not an aggressive animal and when threatened will flee or climb a tree to escape harm.
		porcupine erects its quills, which are not shot from the animals body, but will work their way into the skin of an unfortunate victim at the rate of 1 mm per hour.
	brainmuseum.org /Specimens/rodentia/northamerporcupine (702 words)

	Elmwood Park Zoo >> North American Porcupine
		Porcupines are fully grown after 4 years and can live 12-17 years in the wild.
		The porcupine’s one true predator is the fisher which is able to flip the porcupine on its back and attack the soft stomach.
		Porcupines are nocturnal, and sleep during the day in a hollow log or crevice.
	www.elmwoodparkzoo.org /animals/animalProfiles/mammals/porcupine.html (318 words)

	Comparative Placentation
		I believe, however, that the originally South American origin of this hystricomorph rodent is strongly supported by its having an X-chromosome that is, as is true for other South American rodents, of twice the size of all other rodents.
		North American porcupines are solitary animals, which produce a single precocious newborn in spring.
		This species is related to the South American hystricomorph rodents of the family Erezithontidae and is its largest representative (Benirschke, 1968).
	medicine.ucsd.edu /cpa/porc.html (2676 words)

	ONEOFMANYFEATHERS AM
		Porcupine is an animal that has long, soft hairs and strong, stiff quills on its back, sides, and tail.
		Porcupine quills are long, sharp bristles of hairs that are fused (grown together).
		Porcupine victims may die from infections caused by germs on the quills, or from damage to a vital organ.
	groups.msn.com /ONEOFMANYFEATHERSAM/porcupine.msnw (396 words)

	North American Porcupine (Site not responding. Last check: 2007-11-01)
		This new world porcupine inhabits the forests of North-America and Canada where it feeds on bark, conifer needles, roots, berries, seeds, grasses etc. The animal has a poor eyesight but has very good senses of touch, hearing and smell.
		One of the signs of porcupine presence are young branches and twigs scattered all over the forest floor.
		The quills of porcupine are hollow with microscopic barbs on the ends.
	www.wildlifeweb.nl /Porcupine.htm (194 words)

	Pueblo Zoo Indian Fantail Pigeon
		The preferred habitat of the North American Porcupine is forest with mixed hardwood and softwood trees.
		North American Porcupines are arboreal and nocturnal, meaning they live primarily in trees and are active mostly at night.
		North American Porcupines may also gnaw human wood structures, like used canoe paddles, for the salt in the wood.
	www.pueblozoo.org /archives/may04/feature.htm (753 words)

	Animal Tracks - Porcupine (Erethizon dorsatum)
		Porcupines are nocturnal vegetarians, but can be active by day.
		Porcupine scat is in pellet form, and often found in piles at the base of a tree where the animal has been feeding.
		The first porcupine I encountered was on the ground at Albee Creek Campground at Humboldt Redwoods State Park.
	www.bear-tracker.com /porcpine.html (351 words)

	Porcupine (Site not responding. Last check: 2007-11-01)
		A porcupine some times will dislodge a quill when they slap with their tail.
		The porcupine can be handled if a little care is taken.
		The care of a porcupine is relative easy once your animal becomes accustomed to you.
	www.angelfire.com /tx2/Critter/Porcupine.html (167 words)

	Utah Division of Wildlife Resources
		The North American porcupine, Erethizon dorsatum, is a large rodent that occurs in Alaska and Canada, as well as in much of the northern and western contiguous United States.
		Porcupine dens may be found in hollow trees, hollow logs, and small caves.
		Porcupines are covered in sharp spines, or quills, that are used for protection from predators.
	dwrcdc.nr.utah.gov /rsgis2/Search/Display.asp?FlNm=eretdors (202 words)

	Porcupine at exZOOberance!
		The American porcupines include four genera: the tree porcupines of Central and South America, the North American porcupine, the thin-spined porcupine of Brazil, and the Amazonian porcupine.
		The North American porcupine is found in heavily wooded regions from Alaska to the northern extreme of Mexico.
		The North American porcupine is classified as Erethizon dorsatum, the thin-spined porcupine as Sphiggurus villosus, and the Amazonian porcupine as Echinoprocta rutescens.
	www.exzooberance.com /virtual%20zoo/they%20walk/porcupine/porcupine.htm (289 words)

	Canku Ota - Mar. 10, 2001 - A Porcupine Printout (Site not responding. Last check: 2007-11-01)
		The North American Porcupine is a well-protected, plant-eating rodent that spends much of its time in trees, looking for food.
		When the porcupine is in danger, it raises the quills upright, so they can easily lodge in an enemy when it brushes up against the porcupine.
		Diet: North American Porcupines are herbivores (plant-eaters) who eat leaves, bark, evergreen needles, buds, twigs, fruit, and salt.
	www.turtletrack.org /Issues01/Co03102001/CO_03102001_Porkyprint.htm (232 words)

	North American Animals Coloring/Info Pages - EnchantedLearning.com
		The American Buffalo (actually a bison) is the heaviest land animal in North America.
		The American robin is a widespread songbird with a red-orange chest.
		Porcupines are mammals with protective, needle-like quills on their body.
	www.enchantedlearning.com /coloring/northamer.shtml (3936 words)

	Porcupine Information
		The porcupine is the second largest rodent, after the beaver.
		The porcupine's chief defense is its quills, sharp spines distributed across the rodent's back, sides, legs, tail, and head.
		Porcupines do not throw their quills; unfortunate attackers approach closely enough to be swatted by the tail or brush against the animal.
	www.junglewalk.com /info/porcupine-information.htm (414 words)

	Porcupines in Kansas (Site not responding. Last check: 2007-11-01)
		North American porcupines are heavy bodied, yellowish-fl rodents that move with a slow waddling gait.
		Porcupines make their dens in hollow trees, small caves or under rock ledges and are good climbers.
		North American porcupines range from northern Mexico to Alaska.
	www.gpnc.org /porcupine.htm (156 words)

	North American Mammal: Porcupine
		North American porcupines are the second largest rodents in North America (after the beaver).
		telling sign of porcupine activity is the presence of trees stripped away of their outer bark.
		The chief predators of porcupines include the American fisher, puma, wolverine and bobcat.
	www.nhm.org /exhibitions/halls/northamerican/namh_porcupine.html (275 words)

	porcupine - Search Results - MSN Encarta
		Porcupine, herbivorous rodent having long, pointed spines, or quills, growing from the back and sides and, in some species, from the head and tail....
		Hedgehog, common name for any of several spiny mammals that are similar in appearance to the porcupine, but more closely related to the mole and shrew...
		- river in North America that originates in northern Yukon Territory, Canada, joining the Yukon River in northeastern Alaska.
	encarta.msn.com /encnet/refpages/SRPage.aspx?search=porcupine&... (188 words)

	CentralPets.com - Porcupine - North American Page (Printer Friendly Version)
		The North American Porcupine eats the soft tissue beneath the bark of trees during the winter.
		The North American Porcupine is covered in yellowish guard hairs, throughout which the quills are interspersed.
		Usually, the North American Porcupine appears yellow or white and the belly is dark brown.
	centralpets.com /php/PrintFriendly.php?AnimalNumber=5836 (676 words)

	Porcupine Gallery
		It is also the largest of the porcupines for, although there are many different species scattered about the world, none come anywhere near the size of the crested one.
		In North and South America the porcupines are, to a large extent, arboreal, and the South American kind even have prehensile tails to assist them in climbing.
		"Sometimes when one porcupine met another face to face on a branch, they both anchored themselves with their tails, sat up on their hind legs and indulged in the most ridiculous boxing-match, ducking and slapping with their front paws, feinting and lunging, giving left hooks, uppercuts and body blows, but never once making contact.
	www.shoarns.com /PorcupineGallery.html (449 words)

	Dr. Uldis Roze (Site not responding. Last check: 2007-11-01)
		Much of the focus has been the natural history of the North American porcupine: food choice and foraging behavior, territorial relationships, dispersal, mating success, parasites and predation, salt drive, the defense reaction including the warning odor generated by the porcupine, porcupine urine chemistry and the role of urine in trail-marking.
		David Chapman and Kam Leung at Lakehead University, is examining the histology and microbial flora of the porcupine perineal glands.
		A facilitated release mechanism for quills of the North American porcupine (Erethizon dorsatum).
	qcpages.qc.cuny.edu /Biology/fac_stf/roze.html (181 words)

	North American Indian Art Bibliography, Anthropology Outreach, Smithsonian Institution (Site not responding. Last check: 2007-11-01)
		Museum of the American Indian, Heye Foundation, 1968.
		Masterworks from the Museum of the American Indian.
		The Arts of the North American Indian: Native Traditions in Evolution.
	www.nmnh.si.edu /anthro/outreach/indart.html (834 words)

	North American Porcupine - second largest rodent in North America.
		The North American Porcupine, also called the Canadian Porcupine (Erethizon dorsatum) is the second largest rodent on North American soil.
		The largest rodent in North America is the beaver.
		The North American Porcupine is part of the New World porcupines, which are much less nocturnal than the Old World porcupines.
	www.thewebsiteofeverything.com /weblog/pivot/entry.php?id=143 (433 words)

	North American Porcupine (Erethizon dorsatum)
		The North American Porcupine was first reported by Linnaeus, 1758.
		The North American Porcupine has a single pair of incisors in each jaw.
		The North American Porcupine is found in (but not necessarily limited to) Canada.
	www.canadianfauna.com /northamericanporcupine.php (222 words)

	North American porcupine Born at the Zoo
		Grover, a North American porcupine, was born on March 8, 2006, to Cody and Kendall.
		The porcupine is one of the largest rodents in North America, second only to the beaver.
		The quills, which serve as the main form of defense, are longest on the back and tail and shortest on the cheeks.
	www.houstonzoo.org /Animal_News/North_American_porcupine.aqf (283 words)

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