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

Month: November 2010


I thought I’d pass along this story of self-interest surpassing nature. It has all the themes with which we have become familiar: scientists who are so eager to publish they miss the point, park rangers who  abandon their mundane stewardship role in favor of a little excitement,  consequences no one had the foresight to imagine, and a scrambling finger-pointing afterwards.

This is a bristlecone pine.

These trees grow on the Nevada border and are considered the oldest living things on earth. They are gnarled and windswept and battered by the ages. They stood during the Civil war, the War for Independence, the War of The Roses, and the Crusades. They were here for the birth of Christ, the Bronze Age and some of them have been here since the construction of the pyramids in Egypt.

They’ve been here a long time.

So in 1963 a plucky graduate student from North Carolina Chapel Hill University was interested in using the dendrochronological record of these trees to study climate conditions during the period known as the ‘little ice age’. (Just 600 years ago.) And he got a grant for a special tool to bore into trees and take a sample that would allow him to bring it back to the lab and count rings identifying dry years and wet years etc.  Donald Rusk Currey, Ph.D. (1934 – June 6, 2004). He came across a particular stand of bristlecones in the snake range  on Wheeler peak in particular. He thought these would be an ideal location to use his new tool (an 8 inch borer from Sweden) to begin his sampling. A particular specimen he had his eye on he called affectionately WPN-114

The story gets bifurcated here, but in most tellings he couldn’t get his sample (the core broke, the tree was too deep, etc) so he went to the local rangers and bemoaned his fate, and they said no problem! We’ll help you cut down the tree. (Read that again: No Problem! We’ll help you cut down that tree!!!) So they brought out the chain saw(s), cut and cut and eventually felled the tree. It was hard and took a long time to do. Then they gave him a nice slab to study.

(There is a stunning radio piece on this story by Radio Lab. The tree story starts around 14:30.)


So back at the lab, Currey patiently starts counting the rings: 2000, 3000, 4000, and when he gets to 4600 he starts counting again because he’s starting to realize something truly awful. Not only was this tree from the oldest trees in the world, it’s THE oldest tree. The oldest one that’s ever been counted. Not only the oldest tree. It’s older than any living thing on the entire planet. It’s THE oldest thing on earth. And he killed it.

It took a while for the story to percolate through the community, but eventually people were pretty shocked and furious by this. Fingers started pointing and Currey claimed that the rangers had offered and the rangers said that he had begged and no one knew who authorized it and everyone was upset. Currey spoke about the incident only once on camera, and then slipped quietly into the sunset in another field. It remains the thing in his life he was most (in)famous for.

When I hear a story like this, I like to play a little game, called “Who should have known better?” Certainly Currey, since the tree was obviously thousands of years older than the period he was trying to study in the first place. Definitely the Park Rangers, who should have had drilled into their head that the land they’re entrusted with protecting is more important than any researcher, politician or movie mogul.  Of course no one could have known this was the oldest tree, but they knew it was OLD, and they all knew it was one of the reasons the park was there in the first place. From the highest rank who signed the paper to the lowest grunt that filled up the chainsaw, these folks knew better.

So when you wonder how the National parks and State parks can take such foolish action with beavers, just remember the story of Prometheus.

Prometheus (tree), a Great Basin Bristlecone Pine (Pinus longaeva) : The cut stump of the tree. Photo by James R Bouldin.


So yesterday I was excited about seeing beavers be cozy on the lodge cam from the Tongass National Forest. I realized that I should check with Beaver friend Bob Armstrong to make sure he knew about it. Bob is the author and photographer behind the Beavers of Mendenhall Glacier Book, and the steadfast volunteer that got a team together to remove dams and debris when it looked like the local US Forestry group was ready to exterminate. He arranged to bring Mike Callahan out and show him the area, and Mike wrote a Comprehensive Beaver Management Plan for humane dealing with flooding problems without impacting salmon. Bob met Lory and her husband on their trip to Juneau and showed them around the habitat. And what’s more, he gave me the photo that has been my screen saver for the past two+ years.

It’s the beginnings of a beaver dam in front of the Mendenhall Glacier with the sun rising in the back. Every single time I look on this photo I am struck with wonder. I haven’t been tempted by a single other desktop image since I’ve had it. I think because it has everything I want in the ‘dimensional portal’ that should be a desktop. Something familiar that you know and love (the dam) and something exotic and awesome, that you are frightened and inspired by (the glacier). I love this photo for every possible reason.

Well guess what Bob replied about the lodge cam?

Thanks Heidi, yes I am aware of it. Our beaver patrol has worked hard with the forest service to conserve this area and lodge. This winter the pond is now frozen and they have a great cache of food out in front of the lodge. The dam photo you liked was built by beavers from this lodge. And by the way they now have a successful dam in the same spot.  Bob

Did you get that? The beavers on the lodge cam are the VERY beavers that build the dam in this lovely photo that greets me every morning when I turn on the computer. I couldn’t be happier at the coincidence, (I thought I might have recognized familiar brilliance in the eye of the beaver I saw yesterday). With Mike’s tools they now have been allowed a successful dam in the area and it creates a fantastic (frozen) pool where they have laid a nice food cache for the winter. (One beaver on camera was happily stripping bark from a stick this morning. Later he was covered in water droplets, that were obviously not freezing inside the lodge.)

Bob, I’m so happy for your message! I have implored Scott to see if he can find a way to embed the webcam on our site, and he is now a man with a mission.  Thank you, Bob,  for your fantastic work and for your beautiful book.   Here’s the site of the camera again in case you want to see what the snowbound beavers are up to!


This could be highly addictive. I just heard from one of the US Forestry workers who was involved in our beaver research paper and she pointed to this website in the Tongass National Forest in Juneau. It has a web cam inside a beaver lodge. The first couple times I looked at it I just saw grainy emptyness and sticks. But this morning there was a lense-full of breathing beaver fur – one of the residents was sitting on the camera!

After he or she moved aside a bit, a youngish beaver could be seen dragging a reed around to make its bed, and then butt-beaver nudged aside a bit more dragging a lovely flat tail past the camera. It’s actually still visible on the lower right hand side of the camera as I type this. I guess its not much of an invasion of privacy, although maybe one beaver is assigned to sit on the camera while the others do the really fascinating things. “Okay Bob, its your turn again”. The temperature in Juneau is 26 degrees today with nighttime lows of 16. The water must be frozen if not freezing. Maybe its still the temperature where a strong beaver can break up the ice and get to the surface, but they’re definitely headed for their long winter underground.

After the tail dragged across the rest of the screen, its owner turned and did a little grooming. See the head on the lower right hand side, paws curled around a bit of reed? Oh this is bad. Not only will I be tempted to watch this in the mornings I will sit there with my finger poised on the ‘print screen’ key just in case they do something cute! Good luck Tongass beavers. Its apparently already colder than usual. I hope you have lots of food stored.


Last night a cluster of Worth A Dam core members gathered at the waterside to watch all three kits show off. Two came from downstream and one came from upstream, but they were all happy to see eachother and getting along. When the upstream kit went over the dam he stopped at the close cove by where we sit and nuzzled under some branches downstream of the dam. He chewed experimentally at several and then carefully yanked one free and swam away with it. Beaver Jenga!

What about that exciting park naming issue on the City Council Agenda? Remember the unnamed park where the beaver festival is held every year? Where people come from far and wide to see our beavers and where news cameras from FOX, CBS, and ABC have filmed to document the controversy about keeping the beavers? Apparently until recently it was known by the affectionate name “The Pipe Yard”. Ahh, evocative! Well some whacky beaver supporters thought that maybe the name BEAVER PARK would be a fitting title for the venue. The Parks Department said “Send us formal suggestions” so we did.

Now the Parks Department is proposing a ‘how to name a park‘ resolution and it was on the city council calendar last night. The idea is that you would submit a formal recommendation indicating what notable features about the area were remembered in its naming, instituting a fair process that would allow the commission to decide based on goodness of fit. Here’s part of the application. Obviously the beavers would check every box.

Well last night the motion came before council and newly re-elected Menesini expressed a wish to slow down this runaway “naming train”, pointing out that it didn’t involve the council enough, and that they had always done this just fine by themselves in the past. The whole things on video tape here (1:01 and you can thank me for scanning through it so you don’t have to.) I believe Mike also said that the naming issue was fraught with “potholes”, (which, this being Martinez, I really, really believe). So he thought the item should be studied more and considered over time, and the mayor agreed and it was tabled.

Alas, Sheetpile Vista Plaza must wait for another day.

One has to hand it to our teflon-coated council. Great work Mike. It is SO hard to avoid doing the right thing in this instance that they are really all pitching in together and hauling their weight. I would file this under the velvet “Mislabing your nose to spite your face” binder. In the meantime, we’ll just keep inviting thousands of visitors to the park and letting them see its true name in person.

Highlight of last nights beaver viewing? (Other than the furtive game of Kerplunk!) A beaver chewing willow atop the pipe, which when illuminated with the spotlight produced a perfectly natural “Beaver Silhouette” on the sheetpile! (Shh don’t tell Paul Craig, but that one was better).



Roger Kelley was walking his dog on Sunday in Fish Creek Park when he came across a trap with a beaver head in it. He is upset that beaver traps would be set in an area popular with people and animals. He went back and posted signs warning people, but the trap had already been removed.

Photograph by: Lorraine Hjalte, Calgary Herald, Calgary Herald

I was sent this article yesterday by Catherine Ens who we met during the St. Catherine’s beaver bruhaha. It seems Mr. Kelley was walking his dog through the park and came a cross a severed beaver head in a spring trap. Nice visual. Officials say they have to control the population and an animal had dragged it out of the water over night. Mr. Kelley’s upset because that could have been Fido and feels the park should post signs that there are traps in the water. To be fair, it’s the problem-solving-skills I’m calling ‘classless’, Mr. Kelley’s just…speciest….is that a word?

One could quip that maybe the park staff are worried about putting up warning signs because it would give the beavers such a head start but I recently saw this which makes the whole thing a little more clear.

Traps were set underwater by a Village-hired trapper at the lake and lagoon last weekend to kill the beavers. Town staff said it was believed to be the best immediate solution.  The traps were removed just two days later, after people began springing the devices and tossing them into deep water. Traps had also been stolen.

“We had put these in restricted areas … but people kept going in there and triggering the traps. That’s dangerous and we had a concern for public safety,” said David Durrant, manager of community services for the Village of Cumberland.

See, if they put a sign out everyone will try to save the beavers and spring or steal the traps, and if they don’t put a sign out the dog-walkers will complain its not safe! Poor Park officials! They’re damned if they do and dammed if they don’t! (Get it?). Hey, Fish Creek Park, I have an idea! How about you earn some major brownie points by solving the beaver problems without trapping! You go to the hardware store and pick up some PVC pipe and wire, spend an hour eating popcorn and watching Mike’s DVD and then use some boyscouts to install a flow device and control your water problem so that the beavers stay! I bet your fish will thank you for it, and you can borrow some binoculars so you can sit back and watch all the wildife that’s drawn to that pond.

What am I saying? That’s too logical. I guess they’d rather deal with this.

If you’re at all like me you need cheering up after that beaver-head story. Might I recommend this video, pointed out to me by Lory yesterday. I promise it will make you smile, and think about age difference because these babies are three months old. Pretty different than beavers at three months. Enjoy!

BEAVER FESTIVAL XVI

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TREE PROTECTION

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