Predation rates are provided as % (in brackets) with total number of nests monitored. Differences in predation rate between egg types are tested with Chi-square tests.
Many studies ask whether older males are better at acquiring mates. Even so, how age affects reproductive success is still poorly understood because male age and mating history are confounded in most
For each pair the table specifies the cross type (hybrid or conspecific), total number of eggs laid, total number of eggs hatched, total number of chicks reaching adulthood and their sex when known.
This file contains data required for the analyses of male lifetime reproductive success in relation to the male's mean kinship with the socially-paired females with which he made each breeding attempt