Chickens have been seen and heard in . Like wild Lost boar, chickens are not native to Pacific islands, but were frequently introduced by Pacific Islanders as a food source when they populated a new island. 
Chicken was the primary food product of
Mr. Cluck's Chicken Shack.
On the Island
Goodwin caught a chicken and broke its neck. The tailies hunted them for food. ("
") The Other 48 Days Chickens could be heard clucking and crowing near the cage Sawyer was trapped in. Ben may have served eggs to Kate for breakfast that were from these chickens. ("
") A Tale of Two Cities Locke chowed down heartily on chicken from Ben's refrigerator. ("
") The Man from Tallahassee Locke killed a chicken for the group dinner after giving its last eggs to Ben for breakfast. ("
") Eggtown Locke claimed the blood on his hands was from killing a chicken. ("
") Eggtown A young Ben offered Sayid a chicken salad sandwich. ("
") He's Our You
Off the Island