 Bird species are very diverse so because of them, Banjica forest is now a natural monument, protected by the state.68 bird species live in the forest, 40 of which are resident birds, 16 are migratory birds and 12 are passing.The most common breeding birds are nightingale, blackcap, great tit, European magpie, hooded crow, common blackbird, woodpigeon and great spotted woodpecker.