We have good evidence that this trait is under sexual selection in males - dark-red faced males receive more female proceptive behavior, are preferentially attended to experimentally, & have higher reproductive success in conjunction with rank (2/6) ht
Female baboons prefer males with brighter red faces over those with paler faces @nyuprimatology https://t.co/3d9iJT0HBZ https://t.co/Yo2KasfnPe
Females show more sexual interest in dark red males https://t.co/D7g6TxVL25
In rhesus, male color is attractive to females. These data show solicitations of males https://t.co/tuhdxJV75d https://t.co/NfRWIkR0M6