I mixed some sunflower seeds (the kind without a shell- just the insides) with my ducks' scratch once and put it out in a bowl for them. When I came back there was just a bowl of sunflower seeds. I don't even know how they did it!
You can get them at the pet shop. They come in a little tub of sawdust. My sister keeps mealworms in the refrigerator for her lizards. Apparently the cold temperature makes them kind of go into hibernation so they stay alive with no care for a really long time. You can also raise your own...
I have ducks, not chickens, but their favorite treats are:
1. Bugs including meal worms! (small world, huh!?)
2. Romaine Lettuce or Leaf Lettuce
3. Mushrooms
I hope you don't mind me adding a new category- the least favorite!
Mine is thawed frozen blueberries. They just circled around the...