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. Author manuscript; available in PMC: 2013 Nov 1.
Published in final edited form as: J Comp Neurol. 2012 Nov 1;520(16):3673–3686. doi: 10.1002/cne.23120

Figure 7.

Figure 7

Spontaneous singing rate varied across social housing condition. (A) Mean (±SEM) estimated cumulative singing rate (number of motifs). M individuals (grey bar) sang significantly more compared to MF individuals (white bar) (p= 0.004). (B) Mean (±SEM) singing rate per twenty-four hours across the 9 ages sampled. Mean singing rates of M individuals (grey diamonds) compared to MF individuals (white diamonds) during the first two recording sessions (84 & 91 days post-hatch) were not significantly different. Singing rates for MF birds from subsequent recording sessions were significantly lower than for M males (p≤0.04).