Rates of distress vocalization in naive domestic chicks as an index of approach tendency to an imprinting stimulus.
D000818:Animals; D000831:Animals, Newborn / Q000502:physiology*; D002645:Chickens; D003080:Cold Temperature; D007173:Imprinting, Psychological; D009043:Motor Activity; D010775:Photic Stimulation; D013637:Tape Recording; D013997:Time Factors; D014828:Vocalization, Animal