YAKIMA, Wash. -- People collect all kinds of stuff. Coins, stamps, rocks, automobiles, you name it, people collect it. For those who enjoy the outdoors there are plenty of things to collect as well.

Once seen as mere hunting tools, duck decoys have waddled their way into the world of collecting hobbies. It’s easy to see why: These handcrafted works of art are painted with intricate details and ...