White-Browed-Sparrow-Weavers (IMAGE) Max-Planck-Gesellschaft Caption This shows a pair of white-browed sparrow weavers. In these African songbirds, which live in status-dependent groups, it is the dominant males that call the tune -- only they sing a special, complex solo song at dawn. Females and subdominant males, by contrast, perform identical, alternating duets. Credit MPI for Ornithology Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.