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Fig. 2 | Frontiers in Zoology

Fig. 2

From: Effects of the social environment during adolescence on the development of social behaviour, hormones and morphology in male zebra finches (Taeniopygia guttata)

Fig. 2

Scores for the development of the male-typical colouration. Traits scored were beak, cheek patches and breast stripes. The pictures shown demonstrate cheek patch development as an example. a Score 1 = no colouration of cheek patch; b Score 2 = less than 1/3rd of cheek patch coloured; c Score 3 = 1/3rd – 2/3rd of cheek patch coloured; d Score 4 = more than 2/3rd of cheek patch coloured; e Score 5 = complete colouration of cheek patch

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