Well, when they're still tiny like this, you're gonna want to feed 'em this kind of formula- I'll shovel a few onto you before you leave, no worries. After the first few weeks, 'tho, you'll want to switch to greens.

There's a store down over in the Nook that sells 'em and other Chocobo stuff, so you can spend your stuff there if you want. I always have some to spare, 'tho, so there's that.