| # | User | Observations Count |
|---|---|---|
| 1 | Милош Поповић | 24855 |
| 2 | Ivan Tot | 14286 |
| 3 | Аца Ђурђевић | 3632 |
| 4 | Rudi Verovnik | 3282 |
| 5 | Slobodan Ivkovic | 1656 |
| 6 | Ivan Medenica | 1547 |
| 7 | Emanuel Veverica | 1456 |
| 8 | Zoran Gavrilović | 1326 |
| 9 | Marko Maričić | 949 |
| 10 | Milan Ilić | 911 |
| # | Curator | Identifications Count |
|---|---|---|
| 1 | Милош Поповић | 560 |
| 2 | Slobodan Ivkovic | 233 |
| 3 | Jozef Dozsai | 171 |
| 4 | Ана Голубовић | 114 |
| 5 | Jelena Šeat | 112 |
| 6 | Srđan Stanojević | 99 |
| 7 | Аца Ђурђевић | 76 |
| 8 | Ivan Tot | 56 |
| 9 | Marko Maričić | 43 |
| 10 | Branislav Dimitrov | 2 |
| Group | Observations Count |
|---|---|
| Reptiles | |
| Snakes | 542 |
| Lizards | 1422 |
| Turtles | 804 |
| Amphibians | |
| Frogs | 776 |
| Tailed amphibians | 147 |
| Insects | |
| Butterflies | 51877 |
| Dragonflies | 3367 |
| True bugs | 432 |
| Grasshoppers, locusts and crickets | 2320 |
| Decapods | |
| Crayfish | 44 |
| Fungi | |
| Sac fungi | 17 |
| Higher fungi | 243 |
| Zygote fungi | 1 |
| Chytrids | 0 |
| Chromista | 0 |
| Protozoans | 3 |
| Plants | |
| Mosses | 2 |
| Lycopods | 0 |
| Horsetails | 1 |
| Ferns | 16 |
| Gymnosperms | 5 |
| Flowering plants | 1149 |
| Year | Observations Count |
|---|---|
| 2019 | 9207 |
| 2018 | 22344 |
| 2017 | 4165 |
| 2016 | 5289 |
| 2015 | 5641 |
| 2014 | 4180 |
| 2013 | 2861 |
| 2012 | 3780 |
| 2011 | 3062 |
| 2010 | 1539 |