Fig. 1

Age at latest birth in the Myanmar timber elephant population. Only females reproducing at least once are shown (n = 1298). Vertical lines indicate age at 95% population fecundity. a histogram of frequency of ages at last birth; b scatterplot of years since last birth by (current/death) age of the elephants. Horizontal lines show the mean inter-birth intervals (in black) and mean plus two standard deviations (dashed red), from [16]