Lake Värnen
The bittern is not abundant in Sweden. The largest number at any one location is at Lake Värnen, where some 90 territorial males have been counted. There are about 700 territorial males in the entire country.
The bittern is not abundant in Sweden. The largest number at any one location is at Lake Värnen, where some 90 territorial males have been counted. There are about 700 territorial males in the entire country.
