Stabilization of sexual preferences by sexual experience in male zebra finches, taeniopygia guttata castanotis

Bischof H-J, Clayton N (1991)
Behaviour 118(1): 144-154.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
Male zebra finches, Taeniopygia guttala castanotis, were normally-raised by zebra finches or were cross-fostered to Bengalese finch, Lonchura striata, foster-parents until 40 days of age. Following isolation until day 100, half the birds in each group were housed with a zebra finch female for seven days, isolated for three days and then housed with a Bengalese finch female for seven days. The other birds were exposed to females in the reverse order. Subsequent double-choice tests showed that all the normally-raised birds preferred zebra finch females whereas the preference of cross-fostered males depended on the order of exposure to the two females: those exposed first to a Bengalese finch female preferred Bengalese finch females whereas of those exposed first to a zebra finch female, some preferred zebra finches, some preferred Bengalese finches and some showed no marked preference for either female. In order to examine the question of why the latter group showed such markd individual variation in their sexual preferences, a further group of males were cross-fostered to Bengalese finches and exposed to a zebra finch female and then to a Bengalese finch female and their behaviors were observed from day 21 until day 40 and for the two, seven-day periods with the females. The results showed that, when comparing brothers within clutches, the one that begs and is fed more by its foster-parents develops a stronger preference for Benglese finch females and that the more song phrases a male directs to the zebra finch female during the first seven-day period, the stronger the sexual preference for zebra finch females in the double-choice tests. Hence, our results confirm and extend those of IMMELMANN et al. (1991) and KRUIJT and MEEUWISSEN (1991) that sexual imprinting may be a two step process. As a first step, information about the parents is learned during a sensitive period early in life. In a second step, this information has to be tested for its validity for the selection of a sexual partner during first courtship encounters. It is the second step where the previously stored information is stabilized in memory. Giving conflicting information during the first and the second step, one can show that interactions between the young male and its parents as well as with the first sexual partner influence the final preference it shows in subsequent double choice tests.
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Zeitschriftentitel
Behaviour
Band
118
Zeitschriftennummer
1
Seite
144-154
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Bischof H-J, Clayton N. Stabilization of sexual preferences by sexual experience in male zebra finches, taeniopygia guttata castanotis. Behaviour. 1991;118(1):144-154.
Bischof, H. - J., & Clayton, N. (1991). Stabilization of sexual preferences by sexual experience in male zebra finches, taeniopygia guttata castanotis. Behaviour, 118(1), 144-154. doi:10.1163/156853991X00256
Bischof, H. - J., and Clayton, N. (1991). Stabilization of sexual preferences by sexual experience in male zebra finches, taeniopygia guttata castanotis. Behaviour 118, 144-154.
Bischof, H.-J., & Clayton, N., 1991. Stabilization of sexual preferences by sexual experience in male zebra finches, taeniopygia guttata castanotis. Behaviour, 118(1), p 144-154.
H.-J. Bischof and N. Clayton, “Stabilization of sexual preferences by sexual experience in male zebra finches, taeniopygia guttata castanotis”, Behaviour, vol. 118, 1991, pp. 144-154.
Bischof, H.-J., Clayton, N.: Stabilization of sexual preferences by sexual experience in male zebra finches, taeniopygia guttata castanotis. Behaviour. 118, 144-154 (1991).
Bischof, Hans-Joachim, and Clayton, Nicky. “Stabilization of sexual preferences by sexual experience in male zebra finches, taeniopygia guttata castanotis”. Behaviour 118.1 (1991): 144-154.
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