The hen appeared in the first Story of Chapter 2 (the SS Tea Cup): Return the hen to her nest. The cutscene before this stage depicts the three Pirate Goom soldiers of the Black Sugar Gang dashing away with Wario's Treasures and startling the graceful bird. Wario follows closely behind in pursuit of his loot. However, when he sees his pet fly away, he temporarily stops his quest, as he loves his hen even more than he does money. He soon finds the hen in the outskirts of his lawn and he manages to fight his way through the other Chickens and strange foes to return the hen to her nest. It is there that she lays an egg. The male Chickens are also notorious for being very protective of the hen, as they will charge at Wario when he is holding her, but otherwise only attack when attacked.
The hen reappears in Game & Watch Gallery 4 in the Fire Attack Modern game. In the game, the hen will climb up the stairs into Wario's house. If Wario stands behind the hen, she will lay an egg worth 5 points. If he attacks her, like the Bob-ombs that also climb up the stairs, she will not give him any points.
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