Beaver Dam Education

By Sue Ann Kendall

This past Saturday was chilly, plus there was a brisk wind. That didn’t stop a small but eager group of members of our chapter and friends, though. It was their big chance to learn all about beavers and their habits.

Do we look cold?

We gathered at the ridge that overlooks the beaver ponds, where I gave an introduction to beavers (having recently read an informative book, Beaverland, from which I learned a great deal about their history and effect on the environment). I also repeated things I learned from this here Wikipedia article on Castor canadensis that you, too, can read.

Me, pointing out beaver world

For example, beavers are the second largest rodents in North America, and they have come back from near extinction as a result of the fur trade at the turn of the last century. They have had a huge effect on the environment by damming waterways and creating wetlands that end up becoming fertile land when the beavers move on and the dams break up. They don’t eat trees, by the way, just bark. The trees they cut down with their big orange teeth are used in dams, which can contain their lodges where they sleep and raise young.

Work in progress.

After I talked for just a little while, we trekked off to see the three dams that create beautiful ponds along the spring-fed creek that runs through the property.

We could see how the creek trickles through each dam, which is another thing beaver dams do, they lessen erosion from fast-flowing water. and we saw many trees that had been chewed on. The pond water was so clear that you could see fish in it, where the duckweeed wasn’t floating.

Even though we were a bit chilly, we had a good time seeing this sight not everyone gets to see. The sun was shining and we were with fellow lovers of nature. Not a bad way to spend a chilly Saturday morning.

Photos by Carolyn Henderson, Rosie Johnson, and Sue Ann Kendall

Are There Beavers in Milam County?

by Sue Ann Kendall

It turns out, the answer is yes, though I am sure many of you already know that. I went on a great adventure on Friday with my fellow Master Naturalist to see for ourselves. We escaped to the wilderness known as her property outside of Cameron and searched for a rumored beaver dam on the spring-fed creek that runs through the land. It was a beautiful warm day for exploring. (Note that I am not providing the exact location to maintain the beavers’ and property owner’s privacy.)

Proof that it was a beautiful day in Milam County

We got into the truck and took off for the spring-fed creek that runs from the property to Big Elm Creek. At first we looked in the wrong place and got attacked by much greenbrier and dewberry vines that tried very hard to trip us (I later determined that I got a tick on my head – darn nature). I did determine that the water was not out of its banks and was very clean.

My friend called the folks who’d been on the property monitoring their deer lease or something, and they redirected us upstream. There we found what appeared to be weird flat areas with brown vegetation.

looks like a brown patch of dirt

The brown stuff was actually duckweed on a big ole beaver pond! To say I was excited would be an understatement. The dog was also excited and immediately went swimming.

I enjoyed investigating the dam construction and listening to the water trickling through the spillways. It’s hard to believe animals can do this, even though I read a book all about beavers recently (and I highly recommend it to any fellow nature lover).

Also they build a lot of tunnels. Here is an entrance.

We found trees that had been gnawed by beavers (some from the previous dam a few years back). There were also trees whose bark had been gnawed. This definitely points to beavers!

We moved upstream some more and found a second dam, which has created a magical pond full of fish, butterflies, and plants. One of the things beavers do is provide an environment for wetland plants, increasing diversity and creating more fertile soil after the dams are abandoned. It was hard to pull myself away from the tranquility.

This is my favorite upper pond photo

I wanted to see if there was a third dam below the first one we found. Sure enough, following the cool beaver trails led to another one that my friend thinks is a reconstruction of the original dam.

Since we had time and a truck, we went off exploring other parts of the property, which are mostly hay fields. We stopped and got to see a spectacular Northern Harrier fly right in front of us when we both had our binoculars. They’re beautiful hawks with a white patch just above their tail.

Northern Harrier from Pexels photo library

We then explored a ravine that lead to the big creek and observed how the creek is slowly moving northward. I did not fall down when I clambered down the embankment. I held onto trees. 

You can see where the creek used to be closer to the embankment

We ended our exciting afternoon doing some more birding back by my friend’s house and enjoying each other’s photos. I’m so pleased to cross another mammal off my list of Milam County sightings, even if I didn’t see an actual beaver. All my beaver knowledge really helped me see the signs of them. I’m sure the beavers are glad the prowling humans and dogs are gone!