Adaptive Plasticity in Female Mate Choice Dampens Sexual Selection on Male Ornaments in the Lark Bunting

@article{citeulike:2287193, abstract = {Theory on the evolution of ornamental male traits by sexual selection assumes consistency in selection over time. Temporal variation in female choice could dampen sexual selection, but scant information exists on the degree to which individual female preferences are flexible. Here we show that in lark buntings sexual selection on male traits varied dramatically across years and, in some cases, exhibited reversals in the direction of selection for a single trait. We show that these shifts are probably because of flexibility in mate choice by individual females and that they parallel shifts in the male traits that predict female reproductive success in a given year. Plasticity in choice and concomitant reversals in mating patterns across time may weaken the strength of sexual selection and could maintain genetic variation underlying multiple sexual ornaments. 10.1126/science.1149167}, author = {Chaine, Alexis S. and Lyon, Bruce E. }, citeulike-article-id = {2287193}, doi = {http://dx.doi.org/10.1126/science.1149167}, journal = {Science}, keywords = {bunting, choice, female, plasticity, selection, sexual}, month = {January}, number = {5862}, pages = {459--462}, posted-at = {2008-09-23 17:37:08}, priority = {4}, title = {Adaptive Plasticity in Female Mate Choice Dampens Sexual Selection on Male Ornaments in the Lark Bunting}, url = {http://dx.doi.org/10.1126/science.1149167}, volume = {319}, year = {2008} }

TY - JOUR ID - citeulike:2287193 L3 - citeulike-article-id:2287193 N2 - Theory on the evolution of ornamental male traits by sexual selection assumes consistency in selection over time. Temporal variation in female choice could dampen sexual selection, but scant information exists on the degree to which individual female preferences are flexible. Here we show that in lark buntings sexual selection on male traits varied dramatically across years and, in some cases, exhibited reversals in the direction of selection for a single trait. We show that these shifts are probably because of flexibility in mate choice by individual females and that they parallel shifts in the male traits that predict female reproductive success in a given year. Plasticity in choice and concomitant reversals in mating patterns across time may weaken the strength of sexual selection and could maintain genetic variation underlying multiple sexual ornaments. 10.1126/science.1149167 IS - 5862 JF - Science EP - 462 TI - Adaptive Plasticity in Female Mate Choice Dampens Sexual Selection on Male Ornaments in the Lark Bunting VL - 319 SP - 459 KW - bunting KW - choice KW - female KW - plasticity KW - selection KW - sexual AU - Chaine, Alexis AU - Lyon, Bruce PY - 2008/01/25/ UR - http://dx.doi.org/10.1126/science.1149167 ER -