That's the Milwaukie Marketplace shopping center in the background. Doesn't seem to bother the beavers. In fact, it looks like they're trying to clear a better view!
I'm always amazed by the size of the wood chips made by the beavers. They look like something from a commercial chipper.
|A Beaver's "To-Do" List|
The Wetlands Conservancy manages this area along with the City of Milwaukie. Someone has protected some of the larger trees with wire fencing, but others have been left to their own defenses. It won't be too long before the trees pictured here give way.
|Beaver Teeth Marks in Detail|
A beaver's gotta do what a beaver's gotta do!
A beaver's teeth have a high iron content, making them very strong - and orange. And they never stop growing either, so they don't get worn down. Pretty handy if you like to chew on wood.
I recently saw a beautifully-filmed documentary about beavers, called Beavers - The Biggest Dam Movie You Ever Saw. That film had me thinking that beavers were diurnal, because it has lots of great footage of beavers doing their thing in broad daylight. One website I read said that beavers can be seen during the day (especially early or late), but it said they are mostly nocturnal. Maybe the beavers in that film just felt safe because their pond was so pristine and remote. (Or maybe they were paid actors - I don't know.) Actually, the remote habitat might be precisely the reason those beavers were day-workers. According to the Oregon Zoo, "beavers are active during the day... but become nocturnal with human encroachment." I'm guessing the beavers at Minthorn Springs are nocturnal.
Beavers are one of the largest rodents - weighing up to 65 pounds - and they can be found in many places around the Portland Metro area, across Oregon, the Northwest, and beyond. Beavers, in fact, can be found across most of North America and throughout a large part of Eurasia as well. Where have you seen them? Any surprising places around Portland? (Remember - nutria can do a pretty good beaver impression if you don't get a look at the tail.)
|Can you spot the native amphibian in this image?|
OK, enough about beavers.
Somewhere in the picture above is a small, native amphibian. Hint: It jumped out of my way as I was leaving the wetland.
Did you find it?
|There it is! It's Pseudacris regilla, a Pacific Tree Frog! (Or Pacific Chorus Frog.)|
Minthorn Springs may be small in size, but it never fails to present something interesting.
Read my older post about Minthorn Springs, which includes maps and more info, here.