Pocket Cucco
The Cucco Lady gives Link a special pocket egg which, after one day, will hatch into this Pocket Cucco. After hatching, make this Cucco happy by waking up Talon who is lazily sleeping in a house in Kakariko Village. Give the Pocket Cucco back to The Cucco Lady and she will trade you Cojiro, her brother's special blue Cucco. This is the first item in the trading sequence as Adult Link in Ocarina of Time.