Madártani monitoring az Aggteleki-karszt területén (1986-2006)

The book contains 12873 professional faunistical observation captured on 1600 day spent outdoor. This nature conservation monitoring is based on the status observation of the most frequent bird species. The book is also a salute for Zsolt Varga, who died tragically. He was obsessively studying the ornithology of the national park in between 1986 and 2006 .