| # | User | Observations Count |
|---|---|---|
| 1 | Милош Поповић | 35359 |
| 2 | Ivan Tot | 19664 |
| 3 | Иван Меденица | 18017 |
| 4 | Denis Ćoso | 10903 |
| 5 | Mihailo Vujić | 5828 |
| 6 | Miroslav Miljević | 5246 |
| 7 | Аца Ђурђевић | 4667 |
| 8 | Rudi Verovnik | 4235 |
| 9 | Zoran Gavrilović | 4168 |
| 10 | Jozef Dozsai | 4162 |
| # | Curator | Identifications Count |
|---|---|---|
| 1 | Милош Поповић | 2223 |
| 2 | Jozef Dozsai | 1727 |
| 3 | Иван Меденица | 518 |
| 4 | Srđan Stanojević | 463 |
| 5 | Slobodan Ivkovic | 344 |
| 6 | Irena Raca | 233 |
| 7 | Jelena Šeat | 211 |
| 8 | Аца Ђурђевић | 166 |
| 9 | Ана Голубовић | 153 |
| 10 | Ivan Tot | 108 |
| Group | Observations Count |
|---|---|
| Vertebrates | |
| Snakes | 924 |
| Lizards | 2346 |
| Turtles | 1082 |
| Frogs | 1207 |
| Tailed amphibians | 262 |
| Birds | 22201 |
| Insects | |
| Butterflies | 136348 |
| Dragonflies | 4546 |
| True bugs | 2566 |
| Grasshoppers, locusts and crickets | 4929 |
| Moths | 3249 |
| Beetles | 3895 |
| Decapods | |
| Crayfish | 137 |
| Fungi | |
| Sac fungi | 104 |
| Higher fungi | 1568 |
| Zygote fungi | 3 |
| Chytrids | 0 |
| Chromista | 0 |
| Protozoans | 14 |
| Lichen | 37 |
| Plants | |
| Mosses | 71 |
| Lycopods | 1 |
| Horsetails | 25 |
| Ferns | 121 |
| Gymnosperms | 106 |
| Flowering plants | 7909 |
| Charophytes | 1 |
| Year | Observations Count |
|---|---|
| 2021 | 1079 |
| 2020 | 24769 |
| 2019 | 23519 |
| 2018 | 32684 |
| 2017 | 15063 |
| 2016 | 15663 |
| 2015 | 12019 |
| 2014 | 8876 |
| 2013 | 6025 |
| 2012 | 7596 |