Chicken

Chickens are generally the first animal a player buys to start a farm. They, along with Cows and Sheep are the basic animals in Harvest Moon. The chickens have so far made appearances in every Harvest Moon game.

Pre-Split

 * Chickens appear in Harvest Moon SNES
 * Chickens appear in Harvest Moon 64
 * Chickens appear in Harvest Moon GB
 * Chickens appear in Harvest Moon GBC 3
 * Chickens appear in Harvest Moon: A Wonderful Life
 * Chickens appear in Harvest Moon: Magical Melody
 * Chickens appear in Harvest Moon: DS
 * Chickens appear in Harvest Moon DS: Sunshine Islands
 * Chickens appear in Harvest Moon: Back To Nature 
 * Chickens appear in Harvest Moon: Friends of Mineral Town and Harvest Moon: More Friends of Mineral Town
 * Chickens appear in Harvest Moon: Tree of Tranquility
 * Chickens appear in Harvest Moon: Island of Happiness
 * Chickens appear in Harvest Moon: The Tale of Two Towns
 * Chickens appear in Harvest Moon 3DS: A New Beginning

Natsume's Harvest Moon

 * Chickens appear in Harvest Moon: Skytree Village
 * Chickens appear in Harvest Moon: Light of Hope
 * Chickens appear in Harvest Moon: One World

Story of Seasons

 * Chickens appear in Story of Seasons: Trio of Towns
 * Chickens appear in Story of Seasons: Friends of Mineral Town
 * Chickens appear in Doraemon: Story of Seasons
 * Chickens appear in Story of Seasons: Pioneers of Olive Town

Other

 * Silkie Hens appear in Harvest Moon DS: Sunshine Islands
 * Golden Chickens appear in Harvest Moon SNES
 * Cuckottes appear in Return to PoPoLoCrois: A Story of Seasons Fairytale