The fear of novelty.
D000375:Aging; D000818:Animals; D001717:Birds; D002645:Chickens; D002657:Child Development; D004285:Dogs; D004372:Ducks; D004777:Environment; D005239:Fear; D000882:Haplorhini; D015186:Hominidae; D006801:Humans; D007223:Infant; D008425:Maternal Behavior; D013045:Species Specificity; D014796:Visual Perception