There are at least 1000 individuals in the single known population.

There is only a single population made up of 250 individuals.

There is a single population made up of about 3000 individuals.

These colonies are generally considered to make up a single population.

In one version, there is a single population which plays against itself.

There is a single population with a variable number of individuals.

Sometimes all of these colors occur in a single population.

There is only a single known population composed of 26 plants.

The single wild population has 150 individuals as of the year 2008.

There is a single population consisting of 1000 to 2499 individuals.