Figure 2

Box plots displaying differences among captive-reared and wild-caught wild boars in (a) body mass and (b) bone volume. The box represents 50 percent of data (interquartile) and the horizontal bar inside is the Median. The “notch” represents 95% confidence interval of the Median. The lower and upper whiskers represent respectively the minimum and maximum values. Regressions between (c) bone volume and body mass, and (d) bone volume and age, among wild-caught and captive-reared wild boars.