A brief list of interesting birds we saw on our trips:
Griffon Vultures
White Storcks
Black Storcks
Imperial Eagles
White-tailed Eagles
Golden Eagles
Booted Eagles
Lesser Spotted Eagles
Montague Harriers
Marsh Harriers
Common Buzzards
Long legged Buzzards
Kestrels
Black Kyte
Red Kyte
Hoopoes
Bee Eaters
White Pelicans
Spoonbills
Roars
Squacco Herons
Cormorants
Common Terns
Sandwich Terns
Corn Buntings
Blackheaded Buntings
Skylarks
Calandra Larks
Little Egret
Woodchat Shrike
(the list would have been much shorter if we had not the bird expertise and 'eagle eyes' of our Bulgarian hosts from Green Balkans)