Fig. 9From: Effects of the social environment during adolescence on the development of social behaviour, hormones and morphology in male zebra finches (Taeniopygia guttata)Courtship singing in adulthood. Males from juvenile groups a started to sing significantly faster than males from juvenile pairs and b showed a tendency to sing with a higher motif rate than males from juvenile pairs. For details, see text. Shown are means ± SE for each age. Sample sizes are shown directly above the x-axisBack to article page