| # | User | Observations Count |
|---|---|---|
| 1 | Милош Поповић | 37239 |
| 2 | Ivan Tot | 19715 |
| 3 | Иван Меденица | 18041 |
| 4 | Denis Ćoso | 16439 |
| 5 | Jozef Dozsai | 6735 |
| 6 | Mihailo Vujić | 5828 |
| 7 | Miroslav Miljević | 5247 |
| 8 | Аца Ђурђевић | 5195 |
| 9 | Zoran Gavrilović | 4415 |
| 10 | Rudi Verovnik | 4236 |
| # | Curator | Identifications Count |
|---|---|---|
| 1 | Jozef Dozsai | 2731 |
| 2 | Милош Поповић | 2355 |
| 3 | Иван Меденица | 597 |
| 4 | Srđan Stanojević | 549 |
| 5 | Denis Ćoso | 380 |
| 6 | Slobodan Ivkovic | 354 |
| 7 | Jelena Šeat | 289 |
| 8 | Irena Raca | 234 |
| 9 | Аца Ђурђевић | 178 |
| 10 | Ана Голубовић | 152 |
| Group | Observations Count |
|---|---|
| Vertebrates | |
| Snakes | 969 |
| Lizards | 2590 |
| Turtles | 1150 |
| Frogs | 1329 |
| Tailed amphibians | 288 |
| Birds | 26183 |
| Insects | |
| Butterflies | 139145 |
| Dragonflies | 4610 |
| True bugs | 2854 |
| Grasshoppers, locusts and crickets | 4955 |
| Moths | 3694 |
| Beetles | 7996 |
| Decapods | |
| Crayfish | 147 |
| Fungi | |
| Sac fungi | 133 |
| Higher fungi | 1762 |
| Zygote fungi | 3 |
| Chytrids | 0 |
| Chromista | 0 |
| Protozoans | 15 |
| Lichen | 47 |
| Plants | |
| Mosses | 99 |
| Lycopods | 2 |
| Horsetails | 27 |
| Ferns | 141 |
| Gymnosperms | 156 |
| Flowering plants | 10176 |
| Charophytes | 2 |
| Year | Observations Count |
|---|---|
| 2021 | 12422 |
| 2020 | 25508 |
| 2019 | 23567 |
| 2018 | 34292 |
| 2017 | 15408 |
| 2016 | 15761 |
| 2015 | 12075 |
| 2014 | 9031 |
| 2013 | 6138 |
| 2012 | 7624 |