Loads of things,
Boiled rice is fun too, as long as there is no salt, I cook it without salt for my dog who has a very sensitive stomach, and I gave them a small part that was left over, they loved it, and were chewing the goo off each other's beaks, they love sunflower seeds, and other...
I give my girls cabbage lettuce or anything interesting like this, I have used wool to hang it up and have great fun watching them, we get spring greens ( like a leggy leafy cabbage here) they are very long and my girls are so practiced now they can strip it in about 30 minutes, but they have...