Георги Герджиков - 259 observed bird species
Strahil Peev - 241 observed bird species
Пенчо Пандъков - 236 observed bird species
Михаил Илиев - 227 observed bird species
Иван Пандъков - 224 observed bird species
Николай Колев - 207 observed bird species
Зоя Кондова - 207 observed bird species
Dimitar Dimitrov - 207 observed bird species
Ивайло Димчев - 122 observed bird species
Йордан Василев - 114 observed bird species
Виктория Димитрова - 113 observed bird species
Петър Минчев - 75 observed bird species
Стиляна Янева - 71 observed bird species
Виктория Димитрова - 61 observed bird species
Десимира - 55 observed bird species
Sergey Panayotov - 54 observed bird species
Vladimir Mladenov - 38 observed bird species
Силвия Дюлгерова - 31 observed bird species
Александър Илиев - 31 observed bird species
Валерий В - 23 observed bird species
Катерина Кавалджиева - 11 observed bird species
стойчо пасев - 8 observed bird species
Димитър Делибалтов - 3 observed bird species
Милчо Йовчев - 1 observed bird species
Силвия - 1 observed bird species
