The grassland is from the lowland grassland meadows type and include herbaceous plants such as docks (Rumex), reedmace (Typha), duckweed (Lemnoideae), etc. Among the tree and shrub species that can be found in Dreneto are common walnut (Juglans regia), European alder (Alnus glutinosa), white willow (Salix alba), field elm (Ulmus minor), European elder (Sambucus nigra), etc. There are 11 oak trees that are about 500 years old. The most common vertebrae include: long-tailed tit, corn bunting, hooded crow, white stork, Spanish sparrow, common buzzard, common kestrel, common frog, smooth newt; the marshlands are home to invertebrates, such as water scorpions (Nepa cinerea) and several dragonfly species (Odonata).