I had some fun up at the International Peace Garden recently. I stopped along the road to go for a short walk. At a spot where a culvert connects two adjacent ponds I paused to look around. There was a thin sheet of clear ice on the lake, and I was startled to see a beaver swimming under the ice. Then upon hearing a little commotion in the nearby cattails I noticed two beavers feeding on what I assumed were cattail rhizomes or tubers at the pond margin. I bet I was not 25 feet away. Their