U2-Poppy(Poppy lives with her new mommy, Misty now) CAG-Jack, YNA, Bingo, Budgie-Piper, Cockatiel-Sweet Pea Quakers-Harry, Sammy, Wilson ***Zeke (quaker) Twinkle (budgie) forever in our hearts
If you mean a source to buy it from for toy parts, My Safe Bird Store, sells it by the bag. If you mean where can you harvest it from, then I look silly and can't help.