New research indicates that rather than aiding survival, too many offspring can be extremely costly, and can in fact reduce the lifetime reproductive success of females. (sciencedaily.com)
The comparison of the present results with those obtained by previous studies conducted in low - fertility populations reveals both similarities and differences in how personality traits are related to reproductive success in humans. (pnas.org)
The two hybrid males had very high reproductive success, comprising a total of 30 per cent of the total offspring assigned. (rsbl.royalsocietypublishing.org)