Table 1. Observed census data 1991–2006, Manu National Park, Peru.

	OBSERVED
Year	Census total	No. res. groups	No. trans.	No. litters	No. cubs	Mean res. group size	Mean litter size	Mean no. cubs/group
1991	43	6	6	3	8	6.2	2.7	1.3
1992	45	8	6	6	13	4.9	2.2	1.6
1993	40	7	1	3	8	5.6	2.7	1.1
1994	33	5	2	4	8	6.2	2.0	1.6
1995	41	8	2	3	7	4.9	2.3	0.9
1996	46	8	0	4	11	5.8	2.8	1.4
1999	53	8	3	6	14	6.3	2.3	1.8
2000	64	10	6	7	16	5.8	2.3	1.6
2001	61	9	5	7	13	6.2	1.9	1.4
2002	63	9	10	7	15	5.9	2.1	1.7
2003	69	9	9	8	14	6.7	1.8	1.6
2004	75	9	10	8	21	7.2	2.6	2.3
2005	80	11	15	6	10	5.9	1.7	0.9
2006	69	10	9	6	14	6.0	2.3	1.4
TOTAL	782	117	84	78	172	6.0	2.2	1.5