Sprinkle a bit of wild birdseed around the area with a slightly higher concentration in the area around the can. Leave the trap area. Your dinner fowl will peck their way to the can, see the food, jump in and discover that they are unable to jump or fly out of the container. Check these traps frequently, as they tend to fill quickly. Other predators, like cats will learn to stake them out.
Tin can bird traps are especially useful for quail and grouse.
If you want chickens, use a 3-pound coffee can and be prepared for bait loss to smaller birds like sparrows. The area around the can is good for cat hunting. There are several variations on this theme that can be useful in some areas. One of these is the so-called Turkey Trench . To make one of these you first identify a reasonable location.