We have the only indigenous population in Europe that is growing.

The area has the only remaining population of native black bears in the state.

The only wild population of the species is in the Virgin River.

They managed to be the only significant European population to populate the country during colonization.

South Carolina had the only growing population of the woodpeckers in the country.

The island also hosts the only Italian population of wild goats.

The only human population consists of temporarily stationed scientific and military personnel.

The only population that remained in the lower 48 states was in northern Minnesota.

Israel is home to the only significant populations of Samaritans in the world.

The only population recorded is within the bounds of a nature reserve.