Fig 1. Fruit availability and scarcity at Betampona and Kibale.

(A) Total fruit availability at each site. Kibale phenology data are presented in 2-year intervals with black lines; Betampona phenology data are shown in light blue. Periods of fruit scarcity at Betampona (B) and Kibale (C); dark blue lines indicate 25% of the maximum availability, red lines indicate 10%.