Георги Герджиков - 262 observed bird species
Николай Колев - 255 observed bird species
Dimitar Dimitrov - 228 observed bird species
Ивайло Димчев - 225 observed bird species
Зоя Кондова - 222 observed bird species
Пенчо Пандъков - 197 observed bird species
Svilen Dimitrov - 196 observed bird species
Десислава Стефанова - 192 observed bird species
Strahil Peev - 175 observed bird species
Иван Пандъков - 172 observed bird species
Силвия Дюлгерова - 155 observed bird species
Chris Rymer - 144 observed bird species
Петър Минчев - 77 observed bird species
Виктория Димитрова - 68 observed bird species
Sergey Panayotov - 54 observed bird species
Гергaнa Джaмбaзовa - 51 observed bird species
Десимира - 48 observed bird species
Йордан Василев - 14 observed bird species
Йордан Куцаров - 10 observed bird species