Fig. 2: Graphical representation of scaling properties of locomotor time series of females within social groups 48 h after being placed in the novel social environment.
a Example of the same locomotor time series that is shown as a cumulative series in dark gray in b. Locomotion was monitored at 0.5 s interval (xi); if the bird was ambulating, xi = 1, and if immobile xi = 0. Gray boxes mark the region amplified in insets. b, d Examples of cumulative locomotor time series of the two females within b a neutral social group (all group members were considered neutral) belonging to box 12 (Supplementary Table 1) or d a group with a dominant (red) and subordinate (blue) female (box 2, see Supplementary Table 1). Notice the similar pattern of activity and inactivity between dominant and subordinate birds. Gray boxes in panels b and d also represent the region of time series amplified in the inset. c, e Detrended Fluctuation Analysis (DFA) of the locomotor time series, corresponding to the same time series shown integrated in panels b and d respectively. Fluctuation functions were offset by 0.5 in order to improve visibility. Lines show the actual fitting region used (n, scales between 7.5 and 322 s) and the numbers represent the self-similarity parameter (α-value) obtained for each of the locomotor time series. Note that the time series with the lowest α-value such as those in b, present high level of switching between immobility and mobility events, thus shorter events (see also Fig. 5) as can be observed in insets. Higher α-value (blue line in e) shows longer periods of continuous immobility or ambulation.
