Vocal communication in the domestic chicken: II. Is a sender sensitive to the presence and nature of a receiver?

摘要: Abstract As a test of the automaticity food calling behaviour cockerels, their sensitivity to presence and nature an audience was explored. Males were presented with either highly preferred or non-food item in familiar female, strange male, no at all. With as referent, there significantly less than females, even male potential receiver. There significant amount for item, especially female. Food non-foods certain social contexts is discussed case deception. The modulation signal production according receiver considered relation issue intentionality animal communication.