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

Category: Beaver Behavior


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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?


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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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What a fun night in Rossmoor last evening. A lovely theater, two smart techs to help me and a great supportive crowd. A sizeable speakers fee for Worth A Dam and both my mom and Cheryl’s mom in the audience! The questions were intriguing and the feedback glowing – only one gentleman asked afterwards if it was possible to EAT beaver, bless his heart. I smiled and said they weren’t poisonous but people tended to think of the meat as greasy: case in point when the mountain men were starving they at their horses, and ate their dogs, but they didn’t tend to eat the animal they were all busy hunting after.

I barely got home and sat down with my glass if chardonnay when the power went out, and stayed out for a good three hours afterwards. Thank goodness the candles still worked!

This morning we can only pity poor Kansas who is obviously very, very confused about beavers. They keep hearing all those nice things about them but they obviously still hate them very much. I will say this beaver article from Adaven Scronce  Diversified Agriculture and Natural Resource agent, is as CLOSE to being positive as any I’ve read from the state, but good lord its still pretty dire.

Busy beavers

Kansas State University Research and Extension

In Kansas, bobcats and coyotes are the only predators that will prey on adult beavers. Because of this, the beaver population can become over abundant at times. Beavers are one of the few vertebrate animals that can alter the environment to fit their needs. While beavers and the dams they build can benefit the land and conservation efforts, the dams can have negative impacts on the environment around them. Some of those include, flooded crop fields and roads. Flooding from a beaver dam can result in the flooding of large areas where only shallow and slow-moving water existed before. While some plants and animals are able to adapt to pond life and wetlands, depending on the location and size, beaver ponds can cause significant damage to human interests. The damages from flooding caused by beaver-dams can include removing pastures and crop land from production and drowning stands of trees. Beaver dens can also potentially decrease the stability of the banks of streams and ponds and increase the chance of these banks collapsing under the weight of vehicles and farm equipment.

Okay, we’ll get to the part about all the flooding and damage beavers cause, but first I have to ask Adaven about this sentence, Beavers are one of the few vertebrate animals that can alter the environment to fit their needs. Talk to me about the use of the word vertebrate?

Are you implying they are also invertebrate animals that modify the habitat to suit their needs? Or are you just using the word randomly to show off that you know these kinds of scientific terms and can use them at will? I guess maybe orb spiders are an invertebrate animal that modifies the habitat to suit their needs but I wouldn’t call them a keystone species.

Damaged caused by beavers can be managed by installing a beaver pond leveler, fencing off valuable trees and crops, and removing the local beaver population and preventing recolonization. Even though beavers and their dams have the potential to cause damage it is also possible to live with beavers if preventative measures are put in place to prevent beavers from damaging valuable resources. The Kansas Department of Wildlife notes the best way to prevent damage from beavers is through sustained population control and that pond owners should not wait until beavers become overabundant, because, at that point, damage has already been done. Keeping the beaver population under control not only benefits the land owner, but it benefits the remaining beaver as well.

The mind reels. The jaw drops.

Lets start at the beginning. Kansas is advocating using a pond lever! And wrapping trees! This is a very very momentous day. Congratulations Mike Callahan, you finally broke through the fourth wall! I keep pinching myself because I think I’m dreaming. But the very next sentence wakes me up to the bucket of cold water.

and removing the local beaver population and preventing recolonization

Not either try these things OR remove the local population. But AND.  Install the pond leveler AND kill the beavers also. Because you can never be sure. And the most important thing is to keep beaver from populating the area because by then its too LATE.

Never mind that beavers are territorial and the population will never grow because offspring will disperse. Nature acts differently in Kansas. Our text books told us so. Beavers are like house mice in Kansas. They breed and breed and breed and by the time you notice droppings on your kitchen counter its TOO LATE. They are already ruining the place.

You have to love this smarmy falsely-compassionate last line.

Keeping the beaver population under control not only benefits the land owner, but it benefits the remaining beaver as well.

Hear that? I’m doing this for your own good. Killing your mother or your children for your own good.I know beaver chapter said something about population density and that weird word ‘dispersal’ but there was a kegger at billybob’s house that friday and I never read that far,

Because. Kansas,