The birds in the province of Kilkis, Greece, especially those in Lake Kerkini, are protected by international conventions like the Ramsar Convention and Natura 2000 network. The Ramsar Convention provides a framework for wetland conservation and wise use. Natura 2000 is a network of protected sites across Europe for threatened habitats and species. Some key bird species found in the territory include the grey heron, common tern, little egret, Eleonora's falcon, ringed plover, red-throated pipit, greater short-toed lark, and black stork.