**Chapter 4**

Qualitative and Quantitative Changes in a Guild of Forest Owls: Eurasian Pygmy Owl (*Glaucidium passerinum*), Ural Owl (*Strix uralensis*), Tawny Owl (*Strix aluco*), Boreal Owl (*Aegolius funereus*) at Kamenný Hrb – Bankov Site in Volovské Mountains Near Košice Town, Eastern Slovakia, between Years 1989 and 2021

*Samuel Pačenovský and Alexander Kürthy*
