Figure 4. The difference in foraging behaviours of Scaly-sided MerganserMergus squamatus in deep and shallow habitats. The mean (dots) and the 95% credible intervals (vertical bars) are based on 4,000 posterior draws of the fitted models. Note the different scale of Y-axis. A) Foraging duration in seconds; B) Proportion of preparing; C) Proportion of fishing; and D) Proportion of other activities.