House Sparrow (Passer domesticus) Science Article 2
[…]. The aim of this study is to determine whether House Sparrows from a Spanish population are indeterminate or determinate layers for removal and addition experiments. Because methodology used in this sort of studies appears to affect results, the same methodology was used as that of Kendra et al. (1988) in order to compare the results given here with those of Kendra et al. (1988). […].
Gregorio moreno-Rueda, Ardeola 51(2), 2004, 441-444