Because the beaver isn't just an animal; it's an ecosystem!

Category: City Reports


Yellowknife is the capital of the North West Territories, about 1500 miles north of Montana. It’s the kind of place that when you look at it on a map you think ‘Holy tomale,  Canada is BIG’. The Northwest Territories were added to the Canadian Confederation in 1870 (Since HBC had killed all the beavers, they really didn’t need it anymore) and it is so far north that about half of it sits above the tree line. It is the location of the first Diamond mine in Canada, and an unbelievable amount of other gold, silver and increasingly sinister kinds of mines, including radium and uranium. Winter temperatures of -25 are not uncommon and it is fair to say that the population, as a rule, is required to be somewhat hardy.

So I was very interested to read this from the 4-term mayor of Yellowknife in a recent story about whether to trap some local beavers that have been chewing trees. Gord Van Tighem has been a popular mayor of the most populated town in the region (about 20,000 – half of the entire population of NT). He actually used to be a trapper for the government of Alberta and recently warned that the animals can be dangerous.

“They can use their tails like a trampoline and will launch themselves at you. If they get a hold of you, they will snip your arm in one bite.”


Trampoline? Launch? Really, Gord?

Oops. This seems as good a time as any to note that the appropriate way to address a mayor of the North West territories is “His Worship”.  So let me correct that and say, “trampoline, launch, really, your worshipfulness?” Now I have no doubt that an animal that chews through a poplar or maple in a matter of minutes could just as easily slice through a humerus. And I’m pretty sure that when you’re trying to kill them beavers can put up a fight. But I can’t help myself, as much as I’ve tried to make allowances, I’m just going to have to take issue with “trampoline“.

Wikipedia notes that ‘according to circus folklore, the trampoline was supposedly first developed by an artiste named du Trampolin, who saw the possibility of using it as a trapeze safety net – the story of du Trampolin is almost certainly apocryphal, and no documentary evidence has been found to support it.  There is also an old Inuit tradition (Nalukataq) that involved bouncing an individual on a walrus skin to celebrate the hunt. The community all gathered together to launch the lucky member in a gravity-free homage to the divine who provided for them.

These are colorful, historic and fairly plausible stories. A beaver making a pogo stick of its own tail, (which is not made of rubber, has no springs and happens to have a skeletal structure that looks very much like vertebrae) to propel itself – whether in attack, greeting or amorous advance – is simply NOT plausible. Or, as any self-respecting paleophysicist would argue: possible.

Which is not to say the city of Yellowknife is without beaver comprehension. After a resident found a dead beaver on the trail last year, they have agreed to ‘relocate’ the beavers humanely.  Check this out:

Ian Ellsworth, a renewable resources officer, oversees two wildlife officers who check suitcase-like live traps at the lake every day. He said the department is trying to relocate the beavers but people are interfering with the traps. Signs are now posted warning people to stay away from them.

“We check them in the morning and we are finding that someone throws a rock or stick into the traps to set them off,” said Ellsworth. “That is the issue we are kind of dealing with right now.”

Ah, you have to love anyone out walking their dog in the morning who goes out of their way to trigger a trap so that beavers roam free! Of course, one never knows whether these valiant actions are pro-beaver or anti-magistrate, but as we learned firsthand in Martinez, both forces often play for the same team. I imagine that the NT attracts a somewhat libertarian, live and let live, populace. But there is this:

Colleen Zorn, a resident on Ballantyne Court, is one resident who said she wants the beavers to stay. Her backyard backs onto the lake but she does not have a lot of poplar trees that attract the rodents.  “I have three young kids and we love to go for walks on the trail to see the beaver,” she said. “My two-year-old comes home with beaver sticks on a regular basis. He walks on that trail every single day and goes to see the beaver.”

She said the beavers should not be removed because they have been residing on the lake long before people arrived.  “The beavers were there first and we are in their yard,” she said.  “They are only going to eat up the food source and move on. They will go to another little pond where there are poplars and stuff to eat. I also think (the beavers are) only going to improve the trail because now you can see the lake.”

Colleen! We like you already! Have you ever considered the possibility of starting a beaver festival in YK? Since your elected officials are busily preaching the kind of coffee-spitting misinformation from the pulpit that is so LOL-worthy it will likely be forwarded again and again from Ottawa to Ohio, it might be time for a little community education and common sense! We’d be happy to help out with ideas and planning.

In the meantime tell the tree-suffering residents of the lake that wrapping with chicken-wire would only work if beavers were the same size as chickens. Use galvanized fencing wire or abrasive painting and read here for details. Any city smarter than a beaver can keep a beaver, and if you move these animals more will just come take their place.

A final note: Readers of this website will be happy to know that two Martinez beavers were seen this morning mudding the primary and secondary dams respectively, and thankfully neither of them happened to use their tail as a trampoline to launch a vicious, de-limbing, attack. Whew.


Lega Medcalf is a retired science educator from Bridgeton Maine. She called me at the office one day in March to say that some beavers had moved into her local city park and she was interested in helping them. She had been checking out the website to figure out where to start. At the time I posted the letter she wrote to her local paper. Here are some images she recently sent of the local beaver-rama.

So far the city hasn’t reacted to the beavers, but that will change soon. This week she gave presentations to the Bridgeford Selectman Committee on Tuesday and the Rotary Club on Thursday. You can guess which one went better. She sent me her beautiful powerpoint presention and I was thrilled to see that she had even used  quotes from the VERY recent Altantic Monthly article as well as lots of hard science from various sources.

Her presentation was sharp, persuasive and engaging. But this was this slide that took my breath away.

Lega Medcalf: Presentation to the Rotary Club




BRIDGETON BEAVER FESTIVAL JUNE 16, 2012 !!!

When she had talked on the phone  about starting a beaver festival I assumed she meant a hypothetical festival in the distant FUTURE sometime. I had no idea that she was going to march against the wind, head down, fists clenched and staunchly get this done in a matter of months! Amy Macdonald invited to sign the most famous beaver book ever. Done. Presentation to the selectmen. Done. Presentation to Rotary. Done. Poster and DVD of Stephen Low’s the Beaver Movie. Done. And featured at the festival? A Presentation by Sharon and Owen Brown of Beavers Wetlands and Wildlife.

I have Owen and Sharon Brown of Beavers: Wetlands and Wildlife coming to make a presentation at the Beaver Daze mini-festival on June 16. The only time the local movie theater was available to show the movie Beavers was June 16 and 17 ( all booked up otherwise through the fall) so I am in rush mode to be ready and will have to scale back the activities. The library is the setting for the Brown presentation and the movie theater is just one block away with Shorey park another short walk away.

Lega! This is astounding. Just astounding. I don’t know where to begin! This is your idea of a mini festival? Beaver Daze sounds like its off to an AMAZING start and I can’t believe you’re having it in June. (I’m panicking over details for ours and its two months away!) To say that  I am very, very impressed would be a massive understatement.

The truth is, if I were anywhere near Maine, besides making you president of Worth A Dam, I would be working enormously hard to keep all the vulture nonprofits from snatching you up to write their newsletters or organize their events, getting you to save owls or foxes or whatever. You are a rare find, Lega. You are a water cannon of energy and everyone will want you. But, as I would remind you over coffee many, many cheerful mornings because we’d be the best of friends;

Beavers need you more.

Thank you for your enormous hard work. We will talk about the uncooperative selectmen and brainstorm about ways to open closed minds. In the mean time, I dedicate this memorial Saturday to YOU and your amazing hard work. Now all you budding beaver advocates might enjoy taking this beaver quiz from Amy Neff Roth of the Observer-Dispatch in Hamilton NY. My answers are listed here but the paper says Spring Hill Farm Cares (also friends of Beavers: Wetlands & Wildlife) will post theirs on Sunday.

1) Although mostly herbivores, beavers sometimes eat small fish.

2) Beavers mate for life.

3) Beavers warn each other about danger by slapping the water with their tails.

4) Beavers can swim underwater for up to one hour.

5) Once beavers colonize a stream or river, the colony will remain forever unless the beavers are forcibly removed.

6) Water is cleaner downstream from a beaver pond than it is upstream.

7) Beavers are closely related to weasels, minks and fishers.

8) Beavers can walk upright on their hind legs.

9) Beavers hibernate for the winter.

10) Beavers may spend years working on dams and lodges, which keep getting bigger.


Leave It to Beavers

Can they help us adapt to climate change?
By David Ferry Atlantic Monthly

Now, nearly two centuries later [after the fur trade], beavers are valued not just for their pelts, but for the environmental benefits of their gnawing and nesting. A growing community of “beaver believers” is reintroducing the animal to regional water systems throughout the American West in the hopes of reducing the incidence of floods and the damage from forest fires, alleviating drought, helping fish thrive, and conserving fresh water—in the process, helping to combat some of the effects of climate change.

Well, did you see the release of the long-awaited beaver article from the Atlantic Monthly yesterday? The author David Ferry contacted me way back before Christmas and we talked beavers and the beavers’ impact on our little stream. He had gotten my name from Brock Dolman who had filled him with lots of great quotes and beaver information. Since he was just around the corner in Oakland I invited him out for a viewing, although as it was winter and I wasn’t sure what he would see.

On December 7th, 2011 we bundled up in warm clothes and met at the beaver dam. David was a journalism grad student at UCB and we discovered a friend in common, Richie Parks the former editor of the Martinez Gazette who ironically prides himself to this day on having ‘broke’ the beaver story. We showed David  the dams and then stood at the Escobar bridge to see what might transpire.

I remember that night not only because I knew Martinez would be in the Atlantic Monthly but because the beavers were acting very, very differently. The two larger beavers that sleep up by the primary were vocalizing loudly — more loudly than I had ever heard them before. Not in distress, just emphatic. They were swimming around each other in circles, and calling to each other. They came one after another right under the bridge, and we used our light to show David a lovely glimpse of them under clear water – every lovely detail visible right down to their flapping webbed feet. I remember he gasped.

What was the vocalizing about? We never found out. We haven’t heard such noises since they were babies and never that loud. Maybe it was just clever marketing! Since it was winter we wondered whether it might have something to do with mating rights, but who could know? David was just happy to see beavers up close, and we made sure he left with a hat, brochures and photos. Since the California working beaver meeting was coming up the following month, I suggested Brock invite him to attend, which Brock thought was a great idea. 

David wasn’t able to come to the meeting, but several months later I was contacted by the Atlantic monthly for a ‘fact checking’ interview. Where was Martinez? Did David really come that night? Did we really see two beavers? Were they really called ‘yearlings’? If you were ever concerned that fact-checking has disappeared from modern media you should be comforted at least that it still happens on the staff of the Atlantic. At the time I asked if it might be possible for us to get a few extra copies for the City Council, and was assured they would be mailed. All 5 copies just arrived!

Since national magazines are finite spaces with multiple demands for content and legions of red-penned editors lurking at every corner, very little of that visit made it into the article. I am very sorry that there was no mention of the flow device, the struggle to keep the beavers, or most importantly WORTH A DAM but still grateful to show a national audience that Martinez is one place you can reliably see beavers. This is all that remains of that cold December night

To see a beaver today, I drove some 30 miles from Oakland, where I live, to suburban Martinez, California, where a beaver family has moved into the creek that cuts through town. There, a delightful beaver-believer couple showed me around the colony, pointing out the subtleties of beaver construction and anatomy, as a pair of yearlings swam below us.

Well, the article is the beginning of a great discussion about the benefits of beavers that should turn into a national dialogue and eventually a policy shift – certainly in California! And even though the name of WORTH A DAM is lost on some editing room floor somewhere, I doubt the name of MARTINEZ has ever been in the Atlantic before and that is definitely something to celebrate. If people google ‘Martinez’ and ‘Beavers’ they are sure to wind up here eventually! Just one comment about something they missed with all the careful fact-checking: No one ever even asked me this….

Are the two of you, in fact, ‘Delightful’?


Victory in Cornwall! Last night in Ontario this woman and a few hundred supporters pushed the city council into agreeing to remove the remaining trap for the Guindon beavers and look into humane solutions. It’s a pretty lovely accomplishment and those of you who supported the Martinez Beavers should recognize just how much enthusiasm and energy it takes to stop that particular train.

Rebecca Sorrell launched her campaign against the practice a couple of weeks ago, collecting hundreds of names on a petition and marching to city hall with signs and supporters on Monday.

But it was a meeting with parks and recreation general manager Stephen Alexander on Wednesday that brought progress. “The meeting went really well,” said Sorrell. “The traps have been removed from Guindon Park.”

I have been hearing a bit about this case for a while, and its our featured “who’s killing beavers now” which, I’m happy to say, will no longer be featured. (Another year of pushing and we’ll be ready for a “who’s saving beavers now” segment!) The funny thing is that I was browsing through the incredible comment section of our own famous beaver-saving meeting (November 7, 2007) and found these remarks recently. They didn’t even register at the time and I didn’t know the woman who spoke them, (although I now can give credit for them to Linda Aguirre, who ended up helping us keep watch during the sheetpile debacle.)

The beavers have succeeded where city council  and their politically correct friends could not: They brought people downtown. What a magnificent gift to have been given. We could use our beavers to promote downtown activities We could advertise our city as the beaver capital of CA. We could use these lovely creatures as an example of how we can co-habit with nature. We could host a beaver festival, promoting beaver and nature-related arts and crafts, windows on the lifestyle of the beavers and other wildlife, and yes even TShirts depicting our furry friends. You get the idea, capitalize on the beavers being here to make Martinez a destination, a concept that this city council claims to support. Yes we could do these things, if the beaver stay.

The majority of people want the beavers to stay, yet the council wants them to go, if you the council insists that the beavers must go, then maybe come next election I and others will insist that you go to.

Now for anyone following along from out of town THAT was the story. Not the beavers. Never the beavers. But the massive civic response they provoked. Congratulations Cornwall, and welcome to the beaver-saving club! I’ll write Mr. Alexander today.

This morning there were no beavers in sight but the creek held ample compensations. 11 newly hatched residents, with both mom AND dad in protective watch. Near as I can tell the three blondies are just color variations. (Or maybe there’s some kind of cuckoo duck who lays her eggs in unsuspecting neighbor nests and hopes for the best?) We’ll, let’s keep count and see if having an intact family unit makes things safer and if yellows really DO have more fun?


Mom & Dad Mallard with 11 new babies! (Three blond) above the primary dam



Linus Pauling Middle School students Nick Hentzel, center, and J.D. Pinion, right, join parent-volunteer Tessa Hanover as they paddle through the waters of Clemens Mill Pond while taking part in the 2012 Newton Creek Wetlands Stewardship Field Day on Tuesday morning

Learning afloat

By Raju Woodward, Corvallis Gazette-Times

Students use canoes to learn more about beavers and habitat

PHILOMATH — If you want to learn about beavers, you want to be able to take a close look at the semi-aquatic rodents and their habitat.  So what better way to learn about the creatures than by canoe?

So it was on Tuesday that sixth-grade students from Linus Pauling Middle School donned life jackets, grabbed paddles and made their way around Clemens Mill Pond in canoes. They weren’t disappointed.

“We saw like six beaver lodges!,” said sixth-grader Julia Harrington. “It was cool to see them up close instead of just hearing about them in a classroom.”

Can I go to school there? What a great idea! One is so rarely jealous of sixth graders, but this does the trick! Gosh did you ever think about having a beaver festival in Corvalis? We could maybe have coffee. Apparently this is part of the Mary’s River Watershed Wetland Stewardship Field Day event. Kids spend 45 minutes at 12 different stations!

But the most popular station appeared to be the beavers and canoeing station, especially with Tuesday’s sunny and warm weather.  “This one was my favorite because it involved so much activity,” said Rosa Mendoza. “We were always moving and doing something.”

Also, for some students it marked the first time they had been in a canoe. In addition to studying beaver habitats, students learned canoe safety procedures and how to use paddles to move canoes effectively.

“The hardest part was sitting down inside the canoe,” said Zack Plawman. “It felt like we might tip over into the water. But after that it was fine.”

Ahh the tippy canoe! Nothing quite replaces it. Congratulations for learning so much about canoeing and beavers! Of course the french vouyageurs used canoes to ruthlessly pursue millions of beavers while bellowing out  jaunty songs to regulate paddle pace…

But as a woman who has traversed many, many river miles by canoe over the past two decades I can tell you that it still happens to be a great way to understand beavers.


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