The total number of mature individuals appears to be several thousand at the most.
In 1997, the number was assessed at less than 1,500 mature individuals.
Only a single population of less than 100 mature individuals remains in the wild.
The total world population is estimated to be about 250 mature individuals.
In 1996 the population was estimated to number less than 250 mature individuals.
The current population is estimated at between 80 and 100 mature individuals.
The current population is estimated at less than 1,000 mature individuals.
The population was estimated to be between 7,200 and 8,800 mature individuals in 2004.
"He is not a mature individual that should be governor of this state."
Its total population may be fewer than 10,000 mature individuals.