| # | User | Observations Count |
|---|---|---|
| 1 | Милош Поповић | 39534 |
| 2 | Ivan Tot | 19715 |
| 3 | Denis Ćoso | 19459 |
| 4 | Иван Меденица | 18059 |
| 5 | Jozef Dozsai | 6945 |
| 6 | Mihailo Vujić | 5828 |
| 7 | Аца Ђурђевић | 5713 |
| 8 | Miroslav Miljević | 5247 |
| 9 | Слободан Стевчић | 5053 |
| 10 | Zoran Gavrilović | 4445 |
| # | Curator | Identifications Count |
|---|---|---|
| 1 | Jozef Dozsai | 2759 |
| 2 | Милош Поповић | 2577 |
| 3 | Denis Ćoso | 798 |
| 4 | Иван Меденица | 612 |
| 5 | Srđan Stanojević | 584 |
| 6 | Slobodan Ivkovic | 355 |
| 7 | Jelena Šeat | 289 |
| 8 | Irena Raca | 238 |
| 9 | Аца Ђурђевић | 203 |
| 10 | Ана Голубовић | 152 |
| Group | Observations Count |
|---|---|
| Vertebrates | |
| Snakes | 999 |
| Lizards | 2679 |
| Turtles | 1191 |
| Frogs | 1368 |
| Tailed amphibians | 291 |
| Birds | 27019 |
| Insects | |
| Butterflies | 142737 |
| Dragonflies | 4787 |
| True bugs | 3037 |
| Grasshoppers, locusts and crickets | 5048 |
| Moths | 4098 |
| Beetles | 11316 |
| Decapods | |
| Crayfish | 148 |
| Fungi | |
| Sac fungi | 138 |
| Higher fungi | 1952 |
| Zygote fungi | 5 |
| Chytrids | 0 |
| Chromista | 0 |
| Protozoans | 18 |
| Lichen | 47 |
| Plants | |
| Mosses | 99 |
| Lycopods | 3 |
| Horsetails | 27 |
| Ferns | 150 |
| Gymnosperms | 167 |
| Flowering plants | 10626 |
| Charophytes | 2 |
| Year | Observations Count |
|---|---|
| 2021 | 19950 |
| 2020 | 26308 |
| 2019 | 24609 |
| 2018 | 35035 |
| 2017 | 15409 |
| 2016 | 15769 |
| 2015 | 12076 |
| 2014 | 9048 |
| 2013 | 6140 |
| 2012 | 7623 |