The term "peck" primarily refers to the action of a bird using its beak to strike or pick at something. This behavior is common among various bird species, including chickens, sparrows, and woodpeckers. Pecking can serve multiple purposes, such as foraging for food, establishing territory, or communicating with other birds. In a different context, "peck" can also refer to a unit of measurement for dry volume, particularly in agriculture. One peck is equivalent to about 8 dry quarts or 9 liters. This measurement is often used for fruits and vegetables, such as apples or peaches, when sold in bulk.