ON THE THREAT AND COURTSHIP BEHAVIOUR OF HARTLAUB'S GULL, Hydrocoloeus novae-hollandiae hartlaubi (Bruch)

This publication has 2 references indexed in Scilit:

• The Conflict Between Drives in the Courtship and Copulation of the Chaffinch
  Behaviour, 1953
• THE SOCIAL BEHAVIOR OF THE LAUGHING GULL
  Annals of the New York Academy of Sciences, 1943