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

Month: September 2019


The jury is still out on beavers in Connecticut. The nutmeg state is characteristically never too excited to see the little rascals, but there are some among them that know of the good that they do. Remember when Ben Goldfarb started writing Eager he was living in Connecticut! Let’s hope he talked a lot to his neighbors.

RLT Sets Program on Beavers

ROXBURY — The Roxbury Land Trust is sponsoring a two-part program on beavers.

Nick Barnett will give a talk, Industrious Beavers, at 4 p.m. Sunday, September 22 at the Roxbury Town Hall. In the second program, Mr. Barnett will lead a walk at 2 p.m. Saturday, September 28 at the Roxbury Land Trust’s Baldwin Preserve to learn more about beavers’ natural habitats.

That sounds promising right? People talking about beavers is mostly better than people not talking about beavers.

Mr. Barnett, a board member of the West Hartford Land Trust, will focus his talk on beavers’ engineering skills, their behavior, personalities and natural history, and the environmental impact of their industriousness.

Their personalities?
I’m just trying to imagine whether this is a translation of another word that makes more sense? (And I do mean translation, because local papers have lost so much money that some some news is truly outsourced to Korea or some place cheaper.) I guess dogs have personalities right? I think Hope Ryden Lily Pond certainly saw enough of them to know. Or do you think he really does have something to say about beaver personalities that I don’t know about. Maybe some personally perceptive skills or beaver Rorschachs just never paid attention to?

I’m curious. If beavers have personalities, can they have personality disorders?

This trained psychologist sat with our beavers every day for 11 years and I feel I know relatively little of their personalities to this day. They tended to keep those cards pretty close to the vest if you take my meaning. Mom was patient. She did communicate that, She put up with people watching and eventually let us pick her up in a dog crate when she was sick. And Dad was less patient. Does that count? I don’t think I can flesh it out more than that. Certainly not enough to give a whole talk about it?

Maybe I just wasn’t paying enough attention?

The walk, which is moderate and relatively flat, will look at the beaver habitat as well as for other creatures and species found only at beaver ponds, like the baskettail dragonfly.

Well that sounds better anyway. No word yet on the personalities of the dragonflies? I’m pretty curious to find out.


And on the twentieth day of September, she celebrated another completed circle around the sun, this time launching into the year that Enos Mills was when he died. Fingers crossed it’s not unlucky for beaver fans!

This GIF sent to my by a beaver buddy must be a very good sign of the many bright days to come, right?


Two steps forward, one step back. That’s how it is in the

 beaver world. This morning there was a report from the Cook Inlet Agricultural Association in Alaska about notching beaver dams to help salmon. (!!!) but there’s also a Great Swamp festival in New York announcing ‘The Year of the beaver!” so I guess we should call it a wash,

And  then there’s this, which will give us lots to talk about.

The surprising ways that city and country kids think about wildlife

“Little research has been conducted on children’s attitudes toward wildlife, particularly across zones of urbanization,” write researchers led by Stephanie Schuttler, a biologist at the North Carolina State Museum of Natural Sciences, in the journal PeerJ. Their study found that “children across all levels of urbanization viewed wildlife in similar ways”—for better or worse.

Oh you can tell RIGHT away I’m going to just love this article. Another sad screed about how are young people are more familiar with their phones than they are with their local creek. Cue last child in the Wilderness right away,

The researchers asked 2,759 4th-through-8th grade North Carolina schoolchildren about the animals they liked most and those they found scary, and to rank their five favorite mammals from a list of 20 local and exotic species. Slightly more than half the students lived in suburban areas, while the rest were exurban or rural dwellers.

Dogs and cats proved to be the most-popular creatures. They were followed by pandas, rabbits, wolves, monkeys, and lions—all of them, with the exception of rabbits, exotics who would only be encountered on screen or in captivity. Local species registered in mostly negative ways; kids were three times more likely to find local animals—skunks and bobcats, coyotes and bats—frightening than to like. The students were also creeped out by invertebrates, reptiles, and fish.. 

Of course everyone on facebook gasped at this, and bemoaned the sad state of our children and wildlife. But as a woman who has thrown 12 beaver festivals, been a day care teacher for 10 years and a child psychologist for thirty I have my own response. 

Let’s start with that methods section. Kids between 8 and 14 are on different planets. Why use the same measure for each and assume it means the same thing? Why on earth would you approach children with a list of these species when you could just as easily hand them a stack of cards with photos of them and ask them to arrange them from most to least liked? Or show them a table of stuffed animals and watch which one they picked up first? Why did you decide that liking something is the same thing as being familiar with it or understanding it anyway? I may know all about my baby brother but it doesn’t mean I’m going to say I like him.

Then let’s talk about language. Are frightening things and creepy things REALLY the kind of things children avoid? I mean we all know how much children hate halloween, gummy worms and never ever tell scary stories at slumber parties, right? Sheesh, I wrote this on facebook but I’m just going to quote it again,

True story. Me and my best friend Yvette hated and were terrified of bugs, especially especially earwigs. On playdates we would spend hours turning over the rocks in my dads garden, until we found something truly horrible. Then we would scream – run into the house, slam the door, run down the hall to my room, push the door tight, throw ourselves on the bed, close our eyes shuddering…and then say breathlessly, “wanna do it again?”

You didn’t terrify yourself at slumber parties with bloody mary stories as a child because you hated religion or infanticide. You did it because being scared was an exciting feeling. Like turning in circles all those times and laying down looking up at the ceiling was an exciting feeling. 

And if you want to know how kids feel about wildlife you are going to have to use a different ruler to measure them by. Something that understands being afraid of something or creeped out means you’re paying A LOT of attention to it.  

Contrary to the researchers’ expectations, these patterns held fairly constant regardless of where kids lived. Though rural students, particularly those who hunted, were slightly more likely to appreciate local species, the difference was not great. “The presumed higher levels of familiarity children in more rural areas have with local wildlife is limited,” write the researchers. “Our results imply that it may not be urbanization alone that is driving the Extinction of Experience, as the disconnect with wildlife among children spans across areas of urbanization.”

Sure it could  mean that all children are having an extinction of experience of wildlife at exactly the same time. OR it could mean that your methods are WRONG and the non results are telling you that you need to rethink what you’re doing. You’ve created a measure that doesn’t differentiate between two pretty different groups. Test construction theory might suggest you need to design another measure.

Other measures of asking children about their interest in wildlife? Let’s brainstorm. It depends a lot on the age group and you might have to use different methods for 4th graders than you would for 8th graders. To an older child you might ask “If some one were writing a story where the animal was the hero, which one should they chose?  Think of your best friend, which of these animals would you say ne or she is most like? If you could ask one animal any a question and magically understand the answer which would you choose? How about if a magician could change you into one if these for a day, which would you pick? How questions that get to empathy too? What does this animal need?

You can see we’d have hours of fun redesigning this test. I know I feel better already.

“People tend to care about and invest in what they know. Children represent the future supporters of conservation,” they write. “ Intentionally providing children experiences in nature may be one of the most important actions conservation biologists can take.”

Finally. Something we can all agree on.


Today is a good day to go on vacation to the ocean, don’t you think? (Not vacation from you of course, because the internet can follow wherever I go and people need to start their day always with beavers.) Apparently its fall here but it’s going to be clear skies and sunny in Mendocino all week so we’ll live like kings. It’s one of those destinations that you love every part of, the drive through the redwoods, the snaking coastline, the white buildings, the rustic grocery store, even buying gas is delight. Good time to start the day right with some excellent news from Idaho.

Beaver dam project near Leadore gets thumbs up

Landowners and conservation professionals are excited about a new type of woody structure that mimics beaver dams. The benefits are similar — they store water, slow down runoff in streams, and enhance fish and wildlife habitat.

They’re called beaver dam analogs.

Bruneau Rancher Chris Black worked together with a number of conservation professionals to install some BDAs on his private land on Hurry Up Creek, a tributary of Deep Creek.

“I’ve wanted to get beaver in here for years but it is an ephemeral stream,” Black said. “There’s enough willows to make good food for them and everything, but there isn’t enough water for them to stay.”

They’ve put in about 10 structures so far, and more are planned in the future.

People all over are getting excited about BDAs. How excited? I woke up to an email from Norway sending me Joe Wheaton’s River restoration manual about them! There are plenty of places that are never sure about beavers but like the idea of BDAs, Maybe it’s just the hydraulic post installer. Boys like toys, don’t ya know.

“They came in and put them in very successfully,” he says. “They’re backing water up, they’re creating habitat for spotted frogs, for sage grouse, for beaver.”

Conservation professionals with the Governor’s Office of Species Conservation, U.S. Fish and Wildlife Service, Idaho Department of Fish and Game and the Natural Resources Conservation Service are all interested in exploring the benefits of using BDAs to improve riparian habitat and store water.

“It just benefits a whole host of wildlife species and that’s why Fish and Game is really interested in this,” Chris Yarbrough, Fish and Game habitat biologist said. “It’s a low-cost way to get a lot of bang for your conservation buck.”

Oh yes it is. It’s called trickledown ecology. And beavers do it very, very well.

“I think it will benefit sage grouse in terms of expanding the sponge, that green line of habitat will bring in the sage grouse, and have more of a grocery cart for them when they come to the store, if we provide more of a green line for them, it’ll help during late brood season,” Uriate said.The Hawley Creek project is far more complex in many respects. With about 25 BDAs in place, it’s been turned into a perennial stream. But the objectives of the project are similar — to improve habitat for fish and wildlife and work toward providing season-long flows for endangered salmon, steelhead and resident fish.Hawley Creek is a tributary of the Lemhi River near Leadore at an elevation of 6,000 feet. The project has a major irrigation component for ranchers who have long-time water rights on the stream. Daniel Bertram with the Governor’s Office for Species Conservation in Salmon spent several years planning the project to make sure it worked for everyone.

The article also mentions that a project like this took TWO YEARS of negotiations to coordinate with the many farmers and ranchers who were worried that beavers were going to come ruin their streams and steal their water. I really, really believe that. Work like this takes enormous patience and a vision that looks long term.

“By slowing this water down, spreading it out, you can just see the response from the vegetation, the grass growing up, I can hear the grasshoppers in the background, passerines have just exploded, all of the wildlife species and insects have just exploded,” Bertram says. “And we’re already seeing brood-rearing sage grouse coming into this area and utilizing it in the short period we’ve been here. It’s been a huge success story for them, and I’m excited to see how the leks respond over time.”

Ultimately, Black likes the strength of multiple partners working together to improve wildlife habitat.

“With all of us coming together, we can create great leaps in conservation, with money and time, and it all comes together,” Black says. “Everyone’s working together, and it becomes a great story for how we can manage these lands in the future.”

Alright. Excellent work. May your streams have beavers soon and for many years to come. And may no one trap them for their fur because they are very very useful alive.

Yesterday, stickermule sent ANOTHER offer this time for for very cheap bumperstickers, so of course I had to start the vacation early. What do you think?


The Daily Mail is a middle market UK tabloid read by an older generation. It is affectionately known as what we in the beaver reporting business call a “rag” and prints gossip and bad medical advice. It also loves to print beaver stories for some odd reason. In June of 2016 they ran the video of our father beaver raising kids on his own. You can imagine how surprising it was to get the phone call verifying it was mine.

Martinez beavers in the UK? Sure, why not?

Well today they’re running a fun story about yearlings wresting because a local man caught the whole thing on camera. Remember beavers were missing from Scotland for 5oo years so they have some catching up to do.

Dam you! Beavers battle to get the upper hand as they wrestle each other in hilarious footage

A pair of boisterous beavers have been captured on film locked in a rare game of fisticuffs.

The extraordinary footage was captured near a river bank on the River Tay, Scotland, by amateur photographer Colin Black. 

It shows the two beavers tussling with each other and wrestling in the water by grabbing each other’s fur. 

Of course we’ve been around the beaver block often enough to know that these are two yearlings ‘wrestling’, not beaver battling over territory. Anybody who’s tried to dunk their bossy cousin in the swimming pool will recognize the maneuvers almost instantly. But its fun to see that even castor fiber tries to sink its brother once in a while.

Mr Black said, ‘It was like watching two humans wrestling.

‘It’s very rare to even see that behaviour in the first place, let alone catch it on camera.’

Not that rare, it turns out. Anyone watching teenage beavers will see it. We in Martinez sure did.

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There was an email this morning from a woman who attended last nights showing of The Beaver Believers, asking me if we had any more of the shirts I wore in the film and could she buy one. So I guess in a way we were there, and it was a beavery fun night. Sarah sent these photos yesterday of the first night when Ben spoke but you get the idea it was pretty well attended.

Which is great, because one day I’m eventually going to retire from the beaver stage and stop throwing festivals once and for all and I would like to know that in Washington, just two states away, the annual beaver event is going strong.

In the meantime, while I’m still kicking and being kicked, I thought you would enjoy this article from the Interesting Engineers website.

The Most Fascinating Engineers of the Animal Kingdom

The art and science of designing and building structures is not just the prerogative of humans, species in the animal kingdom do it too. Humans are not the only engineers in the world.

Anyone who has looked at a beehive, a termite mound, a bird nest or a spider web would agree that there are engineer animals amongst us. Many engineering designs made by humans are inspired by the sophisticated and complex structures built by animals.

So, it is evident that humans still have a lot to learn from such species that engineer their environments. There have been some massive and fascinating structures built by animals. Environmental and architectural engineers could have a lot to learn from animals.

Some of the common animal-built structures that can be observed easily are beehives, burrows, beaver dams, spider webs, birds nests, termite mounds, ant colonies, and chimpanzee nests, for example.

Gee, did you guess right away what animal they were talking about? I did when I saw Cheryl’s great photo at the head of the article.

I found this video surprisingly informative about the mysterious effects of evolution.

I never even thought about that!

Beaver dams trap large amounts of water, creating large ponds which the beavers use for their survival. These ponds increase the amount of habitat available to beavers, and encourage the growth of plants that beavers like to eat, and help the beavers evade predators, who can’t reach their underwater homes. Dam construction even changes the amount of carbon and nitrogen that gets recycled by the water. 

Ecosystem engineers like the beaver are essential for the environment because of the ways in which they can create, repair, maintain, alter, and even destroy the habitat of other species in the ecosystem. They are known to have an immense impact on the richness and heterogeneity of the landscape in a particular area.

They are essential for maintaining the stability and health of the environment where they reside. All organisms indeed have a direct or indirect impact on the ecosystem. But the engineering species or ecosystem engineers are the ones that play a crucial role in maintaining and affecting other organisms in the ecosystem.

Essential. Do you hear that? An engineer told me so it must be true. We trust engineers to decide so much of modern life – how fast a plane has to go to take off, how curved a bridge must be to stay upright, how sloped a freeway exit can be without drivers falling off – if we believe engineers in ALL these instances, shouldn’t we believe them when they say beavers are essential?

Allogenic and autogenic engineers are the two types that are found in the environment. Allogenic engineers alter the physical environment, while autogenic engineers modify the environment by modifying themselves.

These two types of engineer can transform both living things as well as non-living things around them.

As mentioned above, beavers can alter their ecosystem immensely, using the process of damming and clear-cutting. By this process, they also contribute towards changing the abundance and distribution of other organisms that reside in those areas.

Beavers are allogenic engineers. An autogenic engineer on the other hand, would be like a tree or patch of coral. As the tree provides for itself and gets stronger the community it sustains does too. This is just like a beaver pond, but they have to work hard to make it happen.

They influence other living organisms by offering them resources to survive. Beaver dams create moat-like ponds filled with still water, which is used by the beavers to develop conical lodges made from mud, rocks, and timber. The body of water that surrounds it protects them from predators.

They have an incognito entry and exit from their lodge to the pond, through tunnels that are filled with water. These dams have an ecological effect on other species too. They control several abiotic resources and create a habitat that certain other animals can use.

“Hence, if these engineer species are protected, protection is automatically lent to other species too. Engineer animals like beavers can increase the complexity of the ecosystem and create room for many other organisms to live in the same region.”

Got that? Or was it too subtle? Beavers are the captain of the ship, sailing to safer waters in these trying times. If they go down so does everyone else in the boat. Think about that the next time you wonder where to put your resources that will make the most difference.

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