Effects of Cross‐Fostering on the Sexual Imprinting of the Female Zebra Finch Taeniopygia guttata
Petra Sonnemann, Sverre Sjölander
Abstract
Petra Sonnemann, Sverre Sjölander
Abstract
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.
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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.
Key concepts: Taeniopygia, Zebra finch, Imprinting (psychology), Finch, Biology, Zoology, Sexual dimorphism, Mate choice