Abstract:Three experiments were carried out to determine whether initial imprinting to an artificial object wears off when a Peking duckling (Anas platyrkynchos) is later exposed to a conspecific. Two groups of ducklings (groups I and P) were studied. The ducklings in group I had no social contact except during experimental sessions, whereas those of group P did. Experiment 1 showed that the effect of social contact on the ducklings' subsequent responses to the original object was not significant. Experiment 2 showed t… Show more
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