In this case, a fly. One of the beautiful things about FlyPowered aircraft is that we have an almost inexhaustible supply of the little critters, the trick is to find them and handle them with the tenderness and respect that is befitting any sophisticated piece of machinery. For those of you who have dogs, finding flies should be no problem, and if you live on a horse farm, you may want to consider going into the business of being an Official Fly Engine Resource Center. Contact FlyPower for more details on how to become an authorized reseller of Fly Engines. In any case, Flies will usually congregate near garbage cans, compost heaps and other similar locations.
Most people encounter the little creeps in their homes, buzzing around windows and the like.
If none of these places fit into your life-style, build yourself a little Fly Trap. Place the bag in a sunny location near an open window if possible. Check the bag often. Several readers and even a few scholars have proposed the judicious use of cryogenics to make the flies easier to handle. This will facilitate ease of handling.