Table S2. Results of age estimation for the age-unknown individuals. The ‘Year’ column indicates the year when the feces was collected, the ‘First Identified’ column indicates the year the individual was first identified, and the numbers in parentheses indicate the growth stage at that time (A: Adult, S: Subadult, J: Juvenile). The estimated age of the individual based on the year of weaning, or first birth is shown in the ‘E A by life event’ column. The parentheses indicate the event (W: Weaning, P: First birth).