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	Beaver - Wikipedia, the free encyclopedia
		Beavers are best known for their natural trait of building dams in rivers and streams, and building lodges in the eventual artificial pond.
		Beavers are nearly allied to the squirrels (Sciuridae), agreeing in certain structural peculiarities of the lower jaw and skull.
		Beavers are sociable animals, living in streams, where, so as to render the water of sufficient depth, they build dams of mud and of the stems and boughs of trees felled by their powerful incisor teeth.
	en.wikipedia.org /wiki/Beaver (2048 words)

	American Beaver (Castor canadensis)
		Beavers are essentially aquatic and require water in the form of a pond, stream, lake, or river for their well-being.
		The average beaver colony consists of six or seven animals, usually including parents and their young of two age classes; rarely is it as large as 12.
		Beavers feed on a variety of vegetation, but the inner bark of willows and cottonwood seems to be their mainstay.
	www.nsrl.ttu.edu /tmot1/castcana.htm (681 words)

	American Beaver - Wikipedia, the free encyclopedia
		The American Beaver (Castor canadensis) is a large semi-aquatic rodent native to Canada, most of the United States and parts of northern Mexico.
		The current beaver population has been estimated to be 10 to 15 million; there may have originally been ten times that many beavers in North America before the days of the fur trade.
		The romance of the beaver; being the history of the beaver in the western hemisphere, by A. Radclyffe Dugmore.
	en.wikipedia.org /wiki/American_Beaver (655 words)

	American Beaver
		Beavers are dependent on slow-flowing brooks, streams, and rivers for dam construction, but they do also live in small lakes and fairly large rivers in Idaho.
		Beavers are usually active from dusk to dawn cutting saplings and trees or shrubs to acquire food.
		Beavers breed from mid-January to early June depending on whether they're in the south or northern part of their range.
	imnh.isu.edu /digitalatlas/bio/mammal/Rod/Beaver/beaver.htm (958 words)

	Biological data and habitat requirements
		American beavers have been reported to subsist in some areas by feeding on conifer trees; however, these trees are a poor quality source of food [2].
		American beavers are the only mammals in North America other than humans that can fell mature trees; therefore, their ability to decrease forest biomass is much greater than that of other herbivores [2].
		If American beavers are thoroughly established in wide valley willow habitats prior to the introduction of cattle, the immediate effect of cattle on the stream is often minor [24].
	www.fs.fed.us /database/feis/wildlife/mammal/caca/biological_data_and_habitat_requirements.html (1721 words)

	Beaver
		The trappers began ruthlessly exploiting this new source, and as the beaver populations close to the coast were depleted, the trappers began moving inland.
		In fact, it was the pursuit of new populations of beaver for the fur trade that was the main motive for the exploration of the interior of the continent.
		Beaver spend a lot of time grooming their fur when out of the water so as to maintain its protective ability.
	www.gpnc.org /beaver.htm (1232 words)

	BioKIDS: American beaver (Castor canadensis) : Information
		Beavers are found throughout all of North America except for the northern regions of Canada, the deserts of the southern United States, Mexico, and Florida.
		Killing beavers for their pelts, disrupting them through a change in habitat, and slowly poisoning them through pollution, which is known to infect wounds, all have lead to the threat which man poses on beavers.
		Beavers have been hunted and trapped extensively in the past and by about 1900, the animals were almost gone in many of their original habitats.
	www.biokids.umich.edu /critters/information/Castor_canadensis.html (1463 words)

	NatureWorks - Beaver (Site not responding. Last check: 2007-10-13)
		The beaver is North America's largest rodent and is built for life in the water.
		Most of the beaver's diet is made up of tree bark and cambium, the soft tissue that grow under the bark of a tree.
		Beavers can play a major role in succession, When beavers abandon their lodges and dams, aquatic plants will take over the pond and eventually, shrubs and other plants will grow and the area will become a meadow.
	www.nhptv.org /natureworks/beaver.htm (708 words)

	American Beaver (Site not responding. Last check: 2007-10-13)
		The beavers are rarely seen, however, signs of their presence can be noted from time to time, for example, chewed roots, trees or branches stripped of their bark.
		Beavers have anywhere from 1 to 8 offspring, though the average is around 4.
		Beavers are primarily nocturnal, though they have been seen in the early morning and late evening at the Lake.
	www.lakeeureka.eureka.lib.il.us /mammals/beaver.html (339 words)

	Beaver: Nature Snapshots from Minnesota DNR: Minnesota DNR
		Beavers also spend a lot of time in the water, using their tails as rudders and propellers when swimming.
		Young beavers (kits) are born in May or June, with an average litter of 3 to 4.
		Beavers live on their own at age two, and have an average life span of 12 years.
	www.dnr.state.mn.us /snapshots/mammals/beaver.html (325 words)

	Center for Ecology and Conservation Biology
		Beavers are considered keystone species in their wetland habitats and their activities increase the amount of wetlands.
		Beavers (the Eurasian species, Castor fiber) have been rapidly introduced in many western European countries and landowners and scientists are learning how to live with the expanding population.
		The North American beaver was introduced in Europe in the mid-1900s and there is a viable population in Finland.
	www.bu.edu /cecb/faculty/busher.html (777 words)

	The Beaver as Canada's Natonal Symbol and some beaver facts
		The beaver was included in the armorial bearings of the City of Montréal when it was incorporated as a city in 1833.
		Despite all this recognition, the beaver was close to extinction by the mid-19th century.
		The North American beaver (Castor canadensis), is a large, web-footed, semi-aquatic rodent with brown fur and a wide, flat, dark tail.
	www.members.shaw.ca /kcic1/beaver.html (1675 words)

	North American Beaver
		Years ago, beavers were hunted for their fur, musk glands and tail.
		Beavers live in lodges which they build in rivers and streams from small trees and mud.
		A beaver might live for 19 years, and weigh 60 pounds and get to a length of four feet.
	www.cartage.org.lb /en/kids/Animalfacts/Beavers/Beavers.htm (190 words)

	Ladywildlifes North American Beaver Page
		Although the beaver is usually thought of as a resident of North America, there is a similar species that lives in Europe.
		beavers do not hibernate in winter, but in the northern parts of their range they generally only leave their lodges to feed from stored food supplies.
		Beaver and Man: Much of the early exploration of NOrth America was carried out by beaver trappers, who hunted the animals for the valuable fur.
	ladywildlife.com /animal/NorthAmericanBeaver.html (864 words)

	American Beaver
		In addition to their large size, beaver are easily recognized by their large, webbed hind feet and broad, paddle-like, flattened tail.
		As it submerges, an alarmed beaver may raise its tail and bring the broad flat surface down with a resounding whack on the water as a warning signal to other beaver.
		Beaver usually construct a dam on one of the side channels of a stream rather than in the main stream.
	www.bigdarby.org /iMamBeaver.htm (255 words)

	NORTH AMERICAN BEAVER (Site not responding. Last check: 2007-10-13)
		North American Beavers primarily nocturnal animals that are active yearlong.
		The tails are one of the defining characteristics of beavers.
		North American Beavers have long, sharp, strong incisors that grow continuously and are hardened with a dark orange enamel on the forward face.
	www.il-st-acad-sci.org /mammals/beaver01.html (995 words)

	The American Beaver
		The American beaver is found in Canada and the United States, including Alaska.
		Beavers live in homes called lodges, which they build in the middle of a lake.
		This is a quiet, safe place away from the beaver's predators, such as wolves, coyotes, bears, and owls.
	www.orbitforkids.com /doubletakes/blue/dt_blue_beaver.html (487 words)

	Bob Arnebeck on Morgan's The American Beaver
		We expect beavers to be confined to a pond or two, a corner of a state park, and when they stray onto campgrounds and hiking trails, not to mention roads, orchards and woodlands, they are a nuisance.
		Morgan recognized that literally miles of wilderness should properly be called "a beaver district." During several summer visits in the 1860's he went to great pains to record the extent of beaver activity in this district which he describes as spanning an area of lakes and streams six by eight miles.
		After three years of observing the beaver district near me, I was about to undertake the project of having the ponds the beavers had created mapped and named and dutifully recorded on the town records, if not by the US Geological Survey.
	www.geocities.com /bobarnebeck/morgan.html (1819 words)

	Beaver Links
		The result of the beaver's engineering was a remarkably uniform buildup of organic material in the valleys, a checkerboard of meadows through the woodlands, and a great deal of edge, that fruitful zone where natural communities meet.
		Oddly, although the European beaver, Castor fiber, is nearly identical in appearance to the American beaver, it has no interest in dam construction; in most regions, European beavers confine their efforts to digging burrows in the stream bank.
		Beaver in North America were almost extirpated by overtrapping in the early 1900s, and estimates of the current population are as low as 2.5% of those present prior to European settlement.
	abob.libs.uga.edu /bobk/beavlink.html (3517 words)

	Canku Ota - June 30, 2001 - The Beaver and the Flea
		American Indians called the beaver the "sacred center" of the land because they create rich habitats for other mammals, fish, turtles, frogs, birds and ducks.
		Beavers have a well-developed social hierarchy in which the family is the basic unit, and the female the central figure in each family.
		The beaver attained official status as an emblem of Canada when an "act to provide for the recognition of the beaver (castor canadensis) as a symbol of the sovereignty of Canada" received royal assent on March 24, 1975.
	www.turtletrack.org /Issues01/Co06302001/CO_06302001_Beaver_flea.htm (885 words)

	The American Beaver - Dwight G. Smith
		Beaver were so intensively trapped that by the turn of the century they had been widely extirpated, occurring only in remote and inaccessible locales.
		The beaver is the largest rodent in North America and one of the largest in the world, exceeded in size only by the capybara of Central and South America.
		Castor is a reference to the castoreum oil, obtained from the beavers' anal scent glands, which is used as a perfume fixative, while Canadensis refers to Canada--the location from which the first specimens were described.
	www.worldandi.com /specialreport/1992/september/Sa20715.htm (287 words)

	Beaver (Site not responding. Last check: 2007-10-13)
		Beavers feed on the bark of poplar, aspen, willow, birch, and maple as well as succulent plants.
		Beavers mate in late January to late February and are believed to mate for life.
		Beavers may be found in many of the bodies of water on campus and have been seen in Piles Fork creek bordering the east side of campus.
	www.siu.edu /~siuctws/critters/beaver.html (484 words)

	Beaver (Castor canadensis) - Enchanted Learning Software
		Each beaver pond is inhabited by one beaver family: two adults and usually 2-4 kits (very young beavers) and the yearlings from the previous year's litter.
		The beaver eats aquatic plants (including pond weeds, water-lilies, and cattails) and the cambium (the soft tissue in which new wood and bark grow) of hardwood trees, including birch, aspen, willow, cottonwood, and alder.
		The beaver is a large rodent that builds dams and dens.
	www.enchantedlearning.com /subjects/mammals/Beaver.shtml (616 words)

	American Beaver - National Zoo\| FONZ
		Beavers communicate in a variety of ways: postures, scent marking, vocalizations, and slapping the tail on water, which can be heard up to a mile away.
		The American beaver's closest relative is the Eurasian beaver (Castor fiber).
		The American beaver is the national animal of Canada and is depicted on the Canadian nickel.
	nationalzoo.si.edu /Animals/NorthAmerica/Facts/fact-beaver.cfm (288 words)

	Species: Castor canadensis
		American beavers are adapted to the early stages of forest succession.
		As succession progresses, these trees become too large for American beavers to use or are replaced by climax trees [34].
		High American beaver populations in many areas are the direct result of the extensive clearcutting and forest fires which were characteristic of the northern forests until recent years [25,34].
	www.fs.fed.us /database/feis/wildlife/mammal/caca/all.html (2752 words)

	Zoology 101- Animal Biology (Site not responding. Last check: 2007-10-13)
		The beaver has been hunted for many years for its fur and meat, and was barely saved form extinction through groups.
		The average life span of the North American Beaver is between ten to fifteen years.
		In the earlier 1900’s the beaver was hunted, but now it isn’t as bad as it used to be.
	richland.uwc.edu /Depts/Biology/accounts/beaver.htm (666 words)

	native american legend
		The tale of the giant beaver and the great lake is an interesting example of such fact and fable.
		This killed the giant beaver causing it to sink to the bottom of the lake and turn to stone.
		After a desperate contest, the beaver was dispatched by a blow across the neck with the ponderous cudgel.
	www.bio.umass.edu /biology/conn.river/nalegend.html (1002 words)

	American Beaver Detailed Information - Montana Animal Field Guide
		Beaver life is based on a family unit consisting of a pair of adults, yearlings, and kits.
		The total length of a beaver varies with age as follows: yearlings are 26-34 inches; adults of 2-3 years, 35-40 inches; older adults, 47+ inches (maximum about 4.5 feet).
		Novak (1987) concluded that the economic losses caused by beavers far surpass the value of harvested pelts (though of course beavers and their habitats have substantial economic benefits other than pelts).
	fwp.mt.gov /fieldguide/detail_AMAFE01010.aspx (721 words)

	Beaver
		The family of rodents that the beaver belongs to is called the Family Castoridae.
		Except for his tail, the beaver is clothed in a shiny coat of soft, thick underfur; this is overlaid with longer, coarser guard hairs.
		The two inner claws of the beaver's hind feet are grooved; they make efficient combs for grooving the coat and spreading the oil through it.
	www.twingroves.district96.k12.il.us /Wetlands/Beaver/Beaver.html (381 words)

	Nite Owl - American Beaver
		This is the second of three original American Beavers.
		The concrete beavers are very heavy and you would not want to get into this unless you are properly equipped to handle heavy duty concrete casting...
		The American Beaver is so popular because he is nocturnal and so elusive.
	home.att.net /~rshofstall/beaver.html (667 words)

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