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

Category: Urban beavers


Here at beaver central we’ve seen beavers and their dams blamed for many things: flooding, power outages, drowning fish, ruined hospital records, giardiasis and homicide. But we’ve never seen this:

Estonia faces cross-border beaver problem

Estonia wants to clear beaver dams from its border with Russia to prevent smugglers and other illegal activity.

The PPA is tendering for a contractor to undertake the work, saying that it’s necessary “due to reasons related to the guarding of the EU’s external border and the prevention of smuggling”.

There is a degree of difficulty to the task which involves the State Borders Act, meaning that trees reaching the border must be cut on the border line, or “from the Russian shoreline without setting foot on Russian land”, ERR says. Who gets custody of fallen trees will be determined by discussions with local Russian officials, and work cannot start on dam clearances until agreements are in place.

smugglerOn average, 30 beaver dams are removed from the border every year.

Estonia says that the beaver dams are a problem from a national security point of view, especially when it comes to guarding the European Union’s eastern border with Russia.

The verb “to smuggle” means to move goods illegally into or out of a country.  So a smuggler is someone who does that. Now I’m a fairly creative woman, I can imagine a lot of things: like talking beavers, flying popes and trails of bread crumbs. But as hard as I try I can’t really imagine how beaver dams aid smugglers. Are the goods floated in the pond and then pulled over the dam? Does a smuggler bury them under the sticks until the patrol guard leaves and then pull them free? Are weapons hidden in the beaver lodge, just waiting for the right moment to cross?

The article doesn’t have any answers unfortunately. So we’re left trying vainly to understand how beaver dams create international disruptions. Maybe you have an idea? Feel free to send it my way. I’ll be happy to share the most creative beaver smuggling stories!

Update: Robin of Napa and Bob of Georgia are both smarter than me. They had the very obvious thought that the dams were used as bridges to cross into the country. Obviously waterways are often borders and dams cross them. Duh! I guess my huge blind spot can be attributed to the fact that it would never enter my mind to commit the sacrilege of walking on a beaver dam.


A little funny from my niece this morning who definitely knows how science and beavers amuse me.

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Remember that Mill Creek beaver project in Washington? I heard from Ben about this yesterday, clarifying that it was a single walled pipe that went over the dam, not under. (Also he’ll make changes to link to our site soon, thank you very much.) Looks like they’re getting a lot more press this week, which is great.

Mill Creek tries new tactic to prevent beaver dams from flooding nearby roads

MILL CREEK, Wash. – Beavers in Penny Creek are in for a surprise.

In an attempt to solve a perpetual flooding issue that causes traffic delays, the City of Mill Creek has commissioned Beavers Northwest to build a “beaver deceiver.” The system of pipes has no formal name but the idea is to let beavers co-exist with humans and end the flooding issue.

This is a great story, and will someone please pinch me because I’m obviously dreaming at the public works quote?  Great work by our friends at Beavers NorthWest. This is really good coverage and fun to see. The reporter was obviously having a delightful time getting to use new tools that day, he even filmed the install with a go pro and tweeted about it, but you have to go to the article to see that, because I can’t embed it here.

Meanwhile, we’re off to the Mother’s day event at Wild Birds Unlimited in Pleasant hill. Always a fun day, and it will be a great chance for you to meet Gary Bogue and Joan Morris who inherited his column! (And for some unknown reason Chuck Todd is listed as a guest…I don’t exactly understand, will birds be on Meet the Press this sunday?) Jon and I are there the first half of the day, and Cheryl and Lory will see it close. Come see the bald eagle, stock up on bird seed and stop by and say Hi!


Here at beaver central I’ve been getting ready now for my upcoming presentation at Safari West on Mother’s Day. It’s usually a crowded, family bustle with coughing and crying and plenty of aaawww so I’m trying to make my talk less educational and more inclusive this year. My theme is that you don’t have to go to Africa to see Nature. It’s right in your own backyard, schoolyard, or city. In fact the nature all around you might be the nature that needs your help the most!

Here’s a fun clip I’ll be starting with before I talk about how Martinez helped the beavers.

I think the blossoming interest in urban wildlife is part of a much larger trend, daylighting creeks, replanting natives, and helping green cities. It makes good sense since it’s where we’re all going to spend most of our time. Just look at this great article from Vancouver.

5 ways Vancouver is bringing more wildlife back to the city

The Vancouver Park Board biodiversity strategy is starting to take root, one year after the wide-ranging plan was approved to bring wildlife back to the city.

“There’s a social aspect to nature in the city — people want to be able to experience it as part of their daily lives,” said Nick Page, a biologist with the park board. 

1.     Salt marsh restoration in New Brighton Park

Vancouver has drastically altered its shoreline to make more space for industry and housing. But in New Brighton Park on Burrard Inlet, Port Metro Vancouver and the park board are working to remove fill that was placed there in the 1960s and restore a tidal salt marsh. The aim is to restore a habitat that once supported clam beds, juvenile salmon and shore birds.

4.     Create wildlife corridors

To thrive, wildlife needs to be able to move around the city, Page said. So finding ways to make corridors through the city — like the still-under-design Arbutus Greenway — is also an important part of the strategy.

5.     Return of the wild

One way to measure the success of biodiversity efforts is when animals come back to areas they left decades ago. Beavers are a common sight in Stanley Park — but recently they returned to Charleson Park in south False Creek. Page would like to see the return of smaller predators such as the American marten because that would signal the ecosystem is healthy enough to support the full food chain. He acknowledges humans and animals can come into conflict in the city. But “I think we can co-exist. Our alternatives are much more difficult and probably unsuccessful in terms of trying to manage or remove [animals].”


Vancouver is doing an excellent job thanks in part to this man who can definitely see the forest for the trees. Nick Park is exactly the kind of biologist we all want working in our cities, and we’re thrilled that he is a positive force for beavers in the region.

We should be working with biologists like Mr. Park to teach us to value what is right in front of us. Whether it’s baby ducks OR beavers. Say it with me now:
“Because, in the end we will conserve only what we love;
we will love only what we understand;
and we will understand only what we are taught.”
(Baba Dioum, 1968.)

North American Beaver Castor canadensis Children watching beaver in urban environment Martinez, CA *Model release available - #Martinezbeavers_3
North American Beaver
Castor canadensis
Children watching beaver in urban environment
Martinez, CA
*Model release available – #Martinezbeavers_3

Yesterday was a hard day, but I’ve decided to spare you (and the many sponsors who helped achieve said hardness) by not discussing it. Let’s just say that by five pm there were not one but TWO musing articles titled whether ‘beavers are friend or foe?’ or ‘eco-heroes or eco-destroyers?’ from fairly key players. Which is exhausting in an of itself. Thank goodness this appeared later that night from Dan Protess, writer and producer of the series.

Getting over Purity

This is the WTTW nature series out of Chicago public radio that produced the program with Ann Riley I posted earlier. Over the episodes the producer has had a real education in what urban nature IS and why it matters. I appreciate his learning curve because it mirrors are own.

Somehow I never noticed that I work in a desert. Not an actual desert—those are filled with cacti, snakes, and other forms of life. My office is in a suburban-style neighborhood, surrounded by vast lawns, which, I recently discovered, are not good for much. Turf grass does not provide nectar to butterflies and bees, or perching spots for birds. In fact, just to be certain that our lawns are completely useless, we regularly burn fossil fuels to mow them.  

All of this is painfully obvious to ecologists. But as a journalist who slept his way through high school biology class, the ecology of my suburban neighborhood did not come to my attention until a few months ago, when I started production on Urban Nature.

Urban Nature is a web video series, in which we look at coyotes, squirrels, migrating birds, monarch butterflies, and all of the charismatic creatures that we often like to celebrate. But in the series we also discover the unexpected ways in which unassuming species are eking out an existence at the fringes of cities.

On the side of the expressway are random patches of clover and dandelions, which are absorbing storm water and carbon dioxide. In vacant lots, there are non-native trees with dead branches, which are providing homes to squirrels and woodpeckers. And in the most polluted waterways, there are fish, water birds, and even the occasional beaver.  

Got your attention yet?  Definitely got mine, although for some reason the sight won’t let me post a comment and keeps erasing them when I try. But I have to believe he’s heard of our urban beavers and the lessons they taught.

I have come to understand that this ragtag bunch of urban wildlife and habitat is downright useful—way more useful than the lawns surrounding my office.

Although I have lived in Chicago my entire adult life, I have never appreciated the less-than-pristine forms of nature that you tend to encounter in cities. That is not to say that I did not appreciate nature. But my relationship with the natural world was fairly similar to my relationship with champagne: it was something I reserved for special occasions. I would fly to Arizona or Patagonia, hike and camp for a week, and then come back to Chicago and turn my attention back to my computer screen. 

My love of nature did not extend to city parks, pigeons, or invasive plants. It was a love I reserved for the kind of “pure” nature that I saw on my trip to Alaska. Sure there were roads there, and sure the glaciers were melting because of the carbon dioxide I was emitting on my daily commute in Chicago, but I did my best to avert my eyes from the heavy hand of humankind. If I squinted hard enough, I could imagine the unspoiled wildernesses that the Native Americans must have seen; a people who, I imagined, walked so gently on the earth that they did not even leave footprints. The idea of pure nature was my fetish, and my vacation pictures from Alaska were my pornography.

Then I set out to produce the Urban Nature web series.

In a story about “daylighting” creeks in Berkeley, California, I learned about a centuries-old battle between humans and urban waterways. In the nineteenth century, we were so confident in our engineering might that we buried streams, which stood in the way of our development. For 100 years these waterways have flowed in culverts and sewers beneath our streets and homes, only to overflow occasionally during heavy storms. But now we are using bulldozers and modern science to bring these streams back aboveground, buoyed in part by a sense of nostalgia, and concerns for the increased flooding that has been brought on by climate change.

My previous vision of ecology included complex relationships between microbes, flora, herbivores and carnivores—pure systems into which Homo sapiens might occasionally intrude. 

Now I find myself appreciating the equally intricate web of life that my neighbors and I have woven on our block.

Not only is the nature on your block equally complex (and why on earth would city nature be less complex when it has such a harder job?) but it is also the FIRST NATURE that babies and children will see and the one nearly all of us will see the most. Bear with the child psychologist in me for a moment, but we all start out life in a dark world where everything is part of us, so we are EVERYTHING and there is nothing that isn’t us. We spend the next year slowly learning that this isn’t true and our mother is OTHER and separate from ourselves. What a demotion! People don’t do or bring things just because we will it. No wonder babies cry a lot. We once were the entire universe and then we slowly begin to realize we aren’t even the center of it.

Awareness of the other is a huge job. (And some adults who happen to be president never master it.) Watching that crow fly over, collecting pine cones or poking a snails long eyes is part of the complex unfolding moment that awakes our awareness of yet another other.

And if we don’t care about that gritty, opportunistic, urban nature that’s right in front of us, if we don’t see the robin’s egg shell on the sidewalk or carpenter bee visit the dandylion, if we don’t hear the voices of excited raccoons chittering away to find new garbage, then we won’t be ready to embrace and defend the cheetahs, whales, and rhinos that will need us down the line.

Asphalt is the tundra most of us travel. And when we realize it, too, is where the Wild Things Are, we become part of everything and I would argue, more fully ourselves.

He was sounding the deeps of his nature, and of the parts of his nature that were deeper than he, going back into the womb of Time. 

Jack London
The Call of the Wild

North American Beaver Castor canadensis Children watching beaver  in urban environment Martinez, CA *Model release available - #Martinezbeavers_3


A lovely report from Napa has made the “Best of the Bohemian” writer’s picks for 2017 already, courtesy of our good friend Robin Ellison.

Most Adorable Department of Water ResourcesCapture

A great feat of endurance, strength and resolve to make tomorrow another day is going almost unnoticed in the midst of urban Napa, after torrential rains burst dams and washed away homes, leaving some of its most vulnerable residents homeless, shivering in the cold. Not so much human residents, bulodge with carst the beaver residents of Tulocay Creek. “It has been a wild winter at the beaver pond,” says Robin Ellison, a Napa wildlife watcher who’s kept a close watch on the beavers since they made a short stretch of this humble, urban creek channel their home several years ago. During the drought, the beavers set to work on a simple stick dam, creating habitat for birds and other wildlife, rebuilding after a storm in January 2016 flooded their home. Then, in 2017, winter turned on the beaver family like some White Witch, unleashing three damn-blowing storms in a row. “Tulocay Creek came within a foot of spilling its banks, and the magnificent beaver lodge was swept away,” Ellison reports. “The poor beavers were homeless and befuddled the following week, out in daylight trying hard to stay awake.” Ellison’s photo of a beaver that had worked so hard to build a new dam for its family that it fell asleep on the branch it was gnawing, would surely affect even the heart of someone who regards nature’s hydrologic engineers as mere pesky rodents. At last report, the rebuilt lodge has an impressive foyer entrance.—J.K.

Ahhh that’s sweet so to see celebrated! And beaver guardians never go out of style. Great job, Robin! I’m so old I remember when the Martinez Beaver Story was the pick of the year for unexpected wonders. Now they can’t even be bothered to publish the story they sent a reporter and a photographer out to capture! (I was told last weekend, then wednesday and now I have NO idea!)
Never mind, this is better anyway.

Time for another nice article about ENCOURAGING urban beavers and our new best friend, Kate Holleran!

Listening to the Land: Dam, Beavers! Dam!

<As humans have come to understand and value the critical role of wetlands in healthy ecosystems, beavers—the world’s greatest wetland engineers—are finally getting the respect they deserve. In the first of several beaver-appreciation events in Seaside, join scientist Kate Holleran at the Seaside Public Library on Wednesday, April 19, at 6 p.m. for an evening exploring how to encourage beavers to return to our communities—and how to live with the results. “Dam, Beaver! Dam!” is the fourth of five wildlife-themed Listening to the Land presentations in 2017. Admission is free.Even urban areas, where beavers were long considered pests, are now welcoming beavers as partners in habitat restoration efforts. Holleran, a senior natural resources scientist at Metro in the Portland area, has implemented several projects to improve the aquatic and forest habitat along Johnson Creek on the east side of the Metro district, on Chehalem Ridge on the west side, and on other nearby streams, much to the delight of beavers. She’ll talk about beaver restoration research and her own experience with beavers, exploring how her team has lured beavers back to streams and how adjacent landowners are coping with the effects of beaver activities on their property.

Kate is an ecologist for OregonMetro which coordinates the city parks and open spaces, because Portland. She is a big believer in beaver ecology and teaches groups to spot beaver for different watershed organizations. I’m thinking she should come to our next beaver festival and get inspired to start her own.

And by the way, isn’t it wonderful to see two stories that promote Urban Beavers that are not about US? Think about that for a moment, and consider if you will how many such stories graced the newspapers ten years ago. Got the answer? That would be NONE. We are the river from which all urban beavers flow. Literally in Napa because that might well be offspring, and figuratively in Portland, because our success story made them unashamed to discuss the topic aloud.

Honestly, no forefather could be prouder. Just look how far urban beavers have come.

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