A brass-and-birch hen with a wind-up key in its back. Technically not another chicken. Bring it to Walt at his old egg stall in Meadowbay.
Crafting
Workbench · learned first
Hen Frame
Iron Gizzard
Spark of Life
Workbench · put it together. Walt's in Meadowbay, at his old egg stall.
Traders' prices are before the Merchant skill. What they pay adds up across sales, fractions included.