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

Tag: Marshall Helmberger


There’s a nice story this morning about watching beaver activity as we head towards winter from Marshall Helmberger of Minnesota.

The busy season

It’s the busy season at our neighborhood beaver pond, as the locals prepare for the impending season of scarcity. The signs of activity are everywhere, particularly along the pond’s edges, where the resident beavers have recently felled at least a couple dozen youngish aspen to put away for the winter.

It all seems pretty familiar. We fill our own wood sheds and stock the pantry and freezer with the season’s produce, and the beavers do pretty much the same. This time of year, the beavers are cutting aspen and willow and storing the branches and smaller trunks in a huge cache under the water, just outside one of their two lodges. These caches are readily visible this time of year— since some of the smaller limbs often stick out from the water— and are an easy way to tell if beavers are planning to spend the winter in any given lodge. Beaver lodges can last for decades and they can fall in and out of use over the years, so this time of year I always look for the telltale signs of a fully-stocked pantry to determine if a lodge is currently active.

Once the ice arrives on the beaver pond, which could happen this coming week given our recent cool down, the beavers will be locked in for the winter. They’ll live the next several months within their dark lodge, only occasionally venturing out of one of their underwater exits to grab a bite. While their pantry of sticks is their primary source of winter food, they also store large amounts of fat in their tails this time of year, which they will also rely on during the winter months. A beaver’s tail, in the fall, is usually substantially larger that it will be when the beavers emerge from their lodges next April or May.

Don’t you wonder what that’s like? Or which family member you like enough to be stuck in a closet with for three months out of the year? I’ve been fairly lucky in terms of opportunities to see beavers, but I will always regret not getting to see this. The tell tale food stash and the signs of beavers cracking through the ice to get whatever they can forage. I’m not entirely sure I believe the last sentence about their tails being smaller in May, but I bet our beaver size has a lot to do with not needing to live off reserves. Marshall does a nice job in this piece by capturing the urgency of late fall.

Speaking of beaver authors, I heard from author Ben Goldfarb that he just had a very enlightening chat with our city council man Mark Ross about the beaver story. He said it was helpful to get the city perspective on the story.  (I would just LOVE to be a fly on the wall for that conversation, wouldn’t you?) I bet there were lots of fears of flooding and very few honest concern about voters in his tale.

Meanwhile it you want to get the story from the other perspective, why not listen to the talk I did Tuesday from the convenience of your desktop. I really appreciate fur-bearer defenders for getting this online and sending me the link! This will give the whole story plus some never before disclosed secrets from behind the scenes. (You can thank them for doing tall his by dropping 5$ in their donation jar.) I just realized that the anniversary of that big November meeting is a week after halloween! Perfect timing to hear it all again or for the first time. I think my voices sounds lower, what do you think?


No new deaths, and Jr. was seen last night. How quickly the standard for good news changes when you are living in a war zone. The dam was worked on too, meaning the beavers themselves are feeling back to normal. I guess we should try and do the same.

These are nice articles to bring us gently back to the land of the living.

North woods entrepreneur: New beaver pond shows the power of the beaver’s creative destruction

To a beaver, the slightest trickle of water is the sound of opportunity. It’s said you can give a man a fish and he’ll eat for a day. But, I say, give a beaver the barest of brooks and he’ll create a new world.

It’s a process of creative destruction that kills a forest and replaces it with a rich wetland environment that, in its first summer, is already home to at least three broods of mallards and probably more.

It’s a perfect environment for raising young ducks. The pond, which is isolated from any open water source, obviously harbors no giant muskies waiting to inhale a downy little duckling. And the canopy of now-dead alder and aspen offers the young ducks substantial protection from hawks or falcons.

But there was much more at the new pond early one morning this week. Frogs were poking noses from the water, a garter snake was coiled on a sun-splashed rock on the shore, while legions of dragonflies darted around in search of breakfast or a sunny perch of their own.

In the long view, beaver ponds are temporary components on the landscape, even though they can last, at times, for decades. Over time, they change, of course. Our new pond is full of woody cover, but soon enough those dead trees and shrubs will disintegrate and fall below the surface of the dark waters, opening up the pond. The brush will be replaced with true wetland vegetation, like cattails, rushes, or sedges. If they haven’t already, turtles will eventually find their way to this oasis in the forest. I’m curious to watch the transition over the years to come— assuming that the beavers and their progeny continue to maintain the dam.

I love a beaver article that takes the long view on beaver impact. But  Marshall Helmberger stopped short of mentioning the egrets and herons that come to the pond to eat those frogs, and the fish that feast on the dragonfly larvae. Not to mention the mink and otter that come feast on the fish. How about the nutrients that will accumulate in that damp soil and the many plants that will eventually settle in that meadow? I’ll let Dr. Wohl explain:

I never get tired of hearing that clip. That is the best lightening overview on beaver impact I have ever heard. Even better than Enos Mills, and that’s saying something. Ellen donated another book for the auction, this one looks like an excellent summer read.

A combination of travel writing, nature writing, and science writing, Transient Landscapes is a beautiful and thoughtful journey through the natural world.

Now on to my favorite beaver article this season, I have tried to track down the author but had no luck yet. This appeared yesterday in the News Tribune in Washington state. (Of course)

Eager beavers seeking summer fun can rely on these tips from the animal world

Here are five ways your kids can be more like a beaver this summer.

Tip 1: Create your own shelter

Have you ever pitched a tent outdoors, or gathered all the pillows and blankets in your house for an epic pillow fort? It’s amazingly satisfying to put a roof over your own head, even if it’s just for fun. Beavers are known for creating their own homes, called lodges.

Tip 2: Hang out with your family

If you spent the summer by yourself, you’d probably get bored. A beaver would feel the same way. They love to play and socialize with their family members every day. Beavers live in family groups called colonies.

Tip 3: Eat a healthy snack

 Nothing tastes better than fresh veggies found at the local farmers market. North American beavers have diets based on the plants found in their natural range, which includes Canada, the United States and northern Mexico. They love to eat bark, twigs, aquatic plants, and the leaves and roots of deciduous trees.

Tip 4: Go for a swim

What’s the best way to cool off in summer (aside from eating Popsicles all day)? Taking a dip in the pool, of course. Swimming is a refreshing activity for lots of animals and a major part of the beaver lifestyle.

 Tip 5: Help habitats

All living things are connected, and every animal needs a home. Protecting and creating homes for other animals is a great habit to practice every summer (and the rest of the year, too). You can try it yourself by planting trees, building bird houses or bat shelters, or volunteering for habitat restoration projects.

Beavers modify their surroundings quite a bit. In the process of creating lodges, dams and canals, they create rich habitats for other animals. Cutting down trees allows shrubby plants to grow, which are great food for deer and elk in winter. Beaver ponds also attract frogs that are hunted by weasels, raccoons, herons and others. Ducks and geese may build nests on top of beavers’ lodges.

A beaver colony is a good thing for a healthy forest.

I love. Love. LOVE. This article! How it of course PRESUMES that children might want to be like beavers. How it finds ways to educate children about beaver adaptions by pairing them with things they already know. And of course how the last paragraphs emphasize that beavers are GREAT for other animals in the forest.

Love.

I don’t know about you but I can see the beginnings of a beaver badge tied in with the festival, in which children show us they have taken beaver action during the season and earn something to acknowledge their role in the colony! Maybe they even get the list of how to be like a beaver at earth day, check the items off and turn it into us at the festival?

Hmm we’d have to add one of course. Teaching others what you know. Beavers do that all the time.

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