Records the "peck order" of a flock of 32 White Leghorn hens studied in 1946. A tie from hen a to b means that hen a can peck hen b. The author claims that temporal changes are rare; once a hen dominates another, that pattern persists.
Guhl, A. M., 1953. Social Behavior of the Domestic Fowl. Manhattan, Kansas: Kansas State College, Agricultural Experiment Station, Technical Bulletin 73.