I was really excited to see this muskrat going into the water and bringing back reeds and various sticks and grasses, placing them onto the house mound, and going back for more. This shot shows him sitting up on the house, between trips out for more "construction materials."
This muskrat was photographed at Maumee State Park in NW Ohio. He was building his house, diving under water to get cattail stems, bringing them back up and arranging them into his house mound. It was exciting to watch him go about his business, seeming oblivious that I was there.