Ardea (Egretta) alba - Great White Egret Gialova Lagoon with a depth, at its deepest point, of no more than four meters, it is the southernmost stopover of birds migrating from the Balkans to Africa, giving shelter to no fewer than two hundred and twenty-five bird species, among them heron, cormorant, the lesser kestrel, Audouin's, gull, flamingo, osprey,the imperial eagle, and other aquatic species