When you want a Chocobo...
Krakka Greens is an item used for raising a Chocobo's Intelligence stat. In addition, in battle it can be used to restore 100 HP to any target, and when used on a Chocobo during battle, reduces the chances of it running away by 33.3%. It can be bought for 250 gil at Chocobo Ranch.
Leafy vegetables that greatly increase the chances of hatching a different type of chocobo.