“…Cues of immediate fertility can be found in body shape, voice pitch or facial features; in fact, all traits linked to sexual maturity, age and parity or substantially influenced by sex hormones (which are factors influencing immediate fertility) have the potential to influence physical attractiveness (see, e.g. Symons, ; Henss, ; Singh, ; Jasienska et al ., ; Feinberg et al ., ; Law Smith et al ., ; Pipitone & Gallup, ; Singh et al ., ; Little et al ., ; Puts et al ., , ; Pfluger et al ., ; Jones, ; Mondragón‐Ceballos et al ., ; Sugiyama, ; Butovskaya et al ., but see Marcinkowska et al ., , for some modulations of these preferences). To increase their reproductive success, males should prefer females of the age at which age‐specific fertility peaks, at least for short‐term mates (Maestripieri et al ., ).…”