Corn Crakes are very secretive and are mostly heard far more often than they are seen. They are hard to flush, walking away through the vegetation. Their song can mainly be heard at night. It is a repetitive "crex crex", like two notched sticks being rubbed together. These birds mainly eat insects.

Tarnica (1346 m asl) is the highest peak of Bieszczady Mountains. Its covered by alpine meadows typical of Bieszczady Mountains, called "poloniny".