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|
Age class
|
Gender
|
Sample size
|
Average annual survival ratea (CI95%)
|
|---|
|
Cubs (< 12 months)
|
Male
|
39
|
85.35 (80.3–90.4) %
|
|
Female
|
35
|
85.40 (80.3–90.5) %
|
|
Juveniles (1–2 years)
|
Male
|
33
|
97.05 (95.4–98.7) %
|
|
Female
|
26
|
97.06 (95.4–98.7) %
|
|
Sub adults (2–3 years)
|
Male
|
28
|
96.46 (94.0–98.9) %
|
|
Female
|
19
|
96.49 (94.1–98.9) %
|
|
Young adults (3–5 years)
|
Male
|
20
|
93.87 (88.0–99.8) %
|
|
Female
|
18
|
94.26 (89.0–99.6) %
|
|
Prime adults (5–10 years)
|
Male
|
15
|
82.53 (74.6–90.4) %
|
|
Female
|
20
|
86.43 (80.7–92.1) %
|
|
Old adults (> 10 years)
|
Male
|
3
|
82.78 (76.9–88.7) %
|
|
Female
|
12
|
84.52 (79.1–90.0) %
|
|
Adults (> 3 years)
|
Male
|
38
|
84.88 (80.6–89.2) %
|
|
Female
|
50
|
88.74 (85.3–92.2) %
|
|
All adults (> 3 years)
|
Male and Female
|
88
|
86.99 (84.3–89.7) %
|
-
aConservative estimates, where we have considered seven ‘missing’ tigers as dead; a more likely scenario
