SEXUAL IMPRINTING SUPPORTS THE EVOLUTION OF NOVEL MALE TRAITS BY TRANSFERENCE OF A PREFERENCE FOR THE COLOUR RED by MICHAEL PLENGE , EBERHARD CURIO and KLAUDIA WITTE 1,2) (Arbeitsgruppe für Verhaltensforschung,Fakultät für Biologie, Ruhr-Universität Bochum, 44780 Bochum, Germany) (Acc. 2-III-2000) Summary We investigated if sexual imprinting on birds with a red arti cial trait can in uence female preference for mates bearing other novel, i.e. not-imprinted traits in male Javanese mannikins ( Lonchura leucogastroides ). We tested two groups of females in mate choice tests. One group of females was sexually imprinted on parent birds adorned with a red feather on the forehead. The other group was raised by normal unadorned birds and was assumed to be sexually imprinted on the normal unadorned phenotype. Females could choose between unadorned and adorned males in simultaneous double choice tests. The adorned males were ornamented with three different kinds of arti cial ornament, which differed from the learned red feather on the forehead in a speci c manner. The novel traits were a blue feather which differed from the familiar red feather in colour only, red stripes at the tail which had the same colour as the red feather but differed
Behaviour – Brill
Published: Jan 1, 2000
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