Table 1.

Definitions of infant age category and estimation of birth month of Cercopithecus lomamiensis derived from the three camera trap surveys in Lomami National Park and buffer zone, Democratic Republic of the Congo.

Category	Definition	Birth Month Estimate
Infant 1	Newborn infant; Clinging to adult female; Skin can be seen through fine textured hair; Infant body size is relatively small compared to adult female body size (range from 1/4 to 1/3).	<1 month before event
Infant 2	Hair fully grown; Can be clinging to adult female or walking by itself where female is in proximity (both individuals captured on the same screen); If clinging, infant covers the full ventral portion of the female (about 1/2).	3 months before event
Infant 3	Independent from adult female (>1 m away); Still possesses infant physical features, behaviors, and coloring; Transitioning from infant to juvenile.	6 months before event