Since my domesticated ducks don't get to run loose and hunt bugs, I often bring the bugs to them. I keep a few pieces of wood beside my coop and they become filled with pill bugs on a regular basis. I take a piece into the coop, shake the bugs off and the ducks go absolutely love it. After a rain, I'll also catch a bunch of worms and feed them to the ducks (which they love even more). I'm just curious to see if anyone else does this sort of thing.