Limestone cliffs and rocky terrain are interspersed with thickets of beach, oak, ash, hornbeam, elm and lime. Also meadow and pasture areas, small reservoirs and orchards. Forested and extensively farmed slopes of Mt. Ovcar, Mt. Jelica and Mt. Kablar provide an outstanding diversity of habitats and wildlife. There one can also find rich plant, insect, reptile and mammal life. This areas are still inhabited by wolves and wild cats.

Birds include: Little Bittern, Pigmy Cormorant, Short-toed Eagle, Honey Buzzard, Goshawk, Peregrine Falcon, Corncrake, Turtle Dove, Scops Owl, Eagle Owl, Hoopoe, Kingfisher, Black Woodpecker, Green Woodpecker, Grey-headed Woodpecker, Syrian Woodpecker, Lesser-spotted Woodpecker, Wryneck, Wood Lark, Rock Martin, Red-rumped Swallow, Tree Pipit, Grey Wagtail, Dipper, Black Redstart, Wheatear, Whinchat, Rock Thrush, Mistle Thrush, Lesser Whitethroat, Spotted Flycatcher, Collared Flycatcher, Marsh Tit, Sombre Tit, Short-toed Treecreeper, Red-backed Shrike, Golden Oriole, Tree Sparrow, Serin, Hawfinch, Ortolan Bunting, Yellowhammer, Cirl Bunting, Rock Bunting, Corn Bunting.