When I was little, we lived near a creek that was filled with tadpoles/frogs. Each spring, my sister and I would collect tadpoles and save them in mayo jars. Later, during the summer, the neighborhood would be filled with frogs - big ones!
Well, many of these frogs would meet their demise under the wheel of cars - creating what I called "Pancake Frogs." After these dried out in the sun, I would pick them up and started a collection of them that I kept in a shoebox. This was not popular with my parents.
Skip forward to last weekend --- I found a pancake frog in my driveway!!!! It is a cool specimen because the guts all spurted out its mouth and made a perfectly formed frog body. Here it is: