Table 1. Parameter values used in the simulation.

Parameter	Value	Source
A->B Decay Rate	5 +/− 2.5 Days	pers. obs.
B->C Decay Rate	20 +/− 10 Days	pers. obs.
C->D Decay Rate	40 +/− 20 Days	pers. obs.
D->E Decay Rate	80 +/− 40 Days	pers. obs.
E->Disappear Decay Rate	120 +/− 60 Days	pers. obs.
Overall Decay Rate	265 Days (Range: 53.5–760)	[13]
Orangutan Day Range	700 +/− 200 m	[16]
Day nests per day	0.2	[16]
Day nest multiplier	1.667	[17], pers. obs.
Daily seasonal decay factor change	0 +/− 0.05	[13]
Seasonal decay factor	0.625–1.6	[13]
Census interval	30 days	[13]
Census strip width	20 m	[13]
P(detect stage A nest)	0.9	[7]
P(detect stage B nest)	0.95	[7]
P(detect stage C nest)	0.95	[7]
P(detect stage D nest)	0.85	[7]
P(detect stage E nest)	0.8	[7]

The parameters used in running the nest building, decaying and censusing simulation.