Table 2.

Probability of extinction according to the timescale of extinction

Red list categorya	50 years	100 years	500 years	Isaac model	Pessimistic model
CR	0.97	0.999	1	0.4	0.99
EN	0.42	0.667	0.996	0.2	0.9
VU	0.05	0.1	0.39	0.1	0.8
NT	0.004	0.001	0.02	0.05	0.4
LC	0.00005	0.00001	0.005	0.025	0.2

^aCR, critically endangered; EN, endangered; VU, vulnerable; NT, nearly threatened; LC, least concerned.