BeaverFacts.org

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BeaverFacts.org

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Would you like to hear facts about beavers?

Would you like to hear facts about beavers?Would you like to hear facts about beavers?Would you like to hear facts about beavers?

Would you like to hear facts about beavers?

Would you like to hear facts about beavers?Would you like to hear facts about beavers?Would you like to hear facts about beavers?

The Facts.

They used to be giant

Although they didn’t have the characteristic flat tail, giant beavers of the Ice Age, known as “Castoroides,” looked remarkably similar to their modern descendants—just much, much bigger. They grew to be up to 8 feet long and 200 pounds and lived a semi-aquatic life.

They secrete a goo that smells like vanilla

In fact, it’s sometimes used in vanilla flavorings. Castoreum is a chemical compound that mostly comes from a beaver’s castor sacs, which are located under the tail. It is secreted as a brown slime that's about the consistency of molasses and smells like musky vanilla. It’s an FDA-approved natural flavoring.

Their dams can be enormous

The world’s largest beaver dam stretches 850 meters deep in the thick wilderness of northern Alberta. It was discovered after being spotted on a satellite image in 2007, but scientists believe multiple generations of beavers have been working on the dam since the 1970s. Last September, explorer Rob Mark became the first person to ever reach the dam.

Beavers' front teeth are orange

And not just because they have terrible dental hygiene. To gnaw through tree trunks, they need extra-strong teeth. Fortunately, their tooth enamel contains iron, which makes them incredibly strong, sharp, and orange. Because the orange enamel on the front of their teeth wears away more slowly than the white dentin on the back, a beaver’s teeth self-sharpen as he chews on trees.

Dams help them avoid ice

Beavers build dams for a myriad of reasons, and one is so that the lake behind it will grow deep enough to ensure it doesn’t freeze all the way through during the winter. This bit of temperature control is especially crucial because beavers anchor a food cache to the bottom of the lake to serve as sustenance during the cold months.

They have multi-purpose tails

A beaver’s oversized leathery tail, which can grow up to 15 inches long and six inches wide, has uses both on land and in the water. While swimming, the beaver uses his tail as a rudder or as a siren by slapping it against the water to warn other beavers of a predator. On dry land, the tail acts a prop to allow the beaver to sit upright or as a counterbalance so he doesn’t tip over while carrying heavy supplies in his teeth.

England's beavers are back?

Until recently, the last mention of a beaver sighting in England came in 1789 when a bounty was paid for a beaver head in Yorkshire. By that point, the once prolific beaver had dwindled due to over-hunting for their valuable pelts and medicinal glands. For several hundred years, the species disappeared from Great Britain, and it was assumed they’d gone extinct. Last year, a retired environmental scientist documented a family of beavers living near his home, but now the rodents are causing a controversy. Although beavers are also making a comeback on the continent—after numbers dwindled to just 1,200 the population is now estimated around 300,000—British officials are concerned the ecosystem has changed too much to accommodate them.

Beavers are romantics at heart

Or at least they're monogamous. Dams are usually started by a young male looking for love or by a mated-for-life new couple. A whole beaver family will live in a single dam—mom, dad, young kids, and yearlings.

Dedicated to Emily Chase

Click the link below to learn how YOU can make a difference in Beaver Conservation

(Link forwards to The Natural Wildlife Federation)

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