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Abstract

Sexual imprinting is a well-known phenomenon in the ♂♂ of many bird species, but its occurrence in ♀♀, particularly of dimorphic species, has been questioned. ♀♀ of the Zebra Finch, Taeniopygia guttata, that had been cross-fostered by Bengalese Finches, Lonchura striata, were tested for their preferences in two different choice tests involving ♂♂ of both species. A highly significant preference for the imprinted species was found.