Alpine Accentor (Prunella collaris) Science Article 6 abstract I compare paternity defense strategies in the variable mating systems of alpine accentors Prunella collaris and dunnocks P. modularis. I show that in dunnocks breeding territoriality functions exclusively for mate defense Naomi E. Langmore, Behavioral Ecology Vol. 7 No. 2: 183-188 Download article download full text (pdf)

Alpine Accentor (Prunella collaris) Science Article 3 abstract Alpine accentors and dunnocks bred in polygynandrous groups in which two or moreunrelated males shared two or more females. In both species, a female solicited actively to both alphaand subordinate males whereas an alpha male attempted to guard the female to monopolize paternity.Females combated the restrictions imposed […]

Alpine Accentor (Prunella collaris) Science Article 2 abstract I studied the cloacal protuberance and copulatory behavior of the Alpine Accentor (Prunella collaris) over three breeding seasons in central Japan. In males, the seasonal hypertrophy of the glomus seminales forced the posterior wall of the cloaca to form a bulbous cloacal protuberance (16 mm maximum observed […]