| # | User | Observations Count |
|---|---|---|
| 1 | Милош Поповић | 34598 |
| 2 | Ivan Tot | 19651 |
| 3 | Иван Меденица | 18015 |
| 4 | Mihailo Vujić | 5828 |
| 5 | Аца Ђурђевић | 4667 |
| 6 | Miroslav Miljević | 4285 |
| 7 | Rudi Verovnik | 4235 |
| 8 | Dejan Stojanović | 4068 |
| 9 | Zoran Gavrilović | 3976 |
| 10 | Vasa Pavković | 3567 |
| # | Curator | Identifications Count |
|---|---|---|
| 1 | Милош Поповић | 2114 |
| 2 | Jozef Dozsai | 1181 |
| 3 | Srđan Stanojević | 362 |
| 4 | Slobodan Ivkovic | 344 |
| 5 | Иван Меденица | 322 |
| 6 | Irena Raca | 243 |
| 7 | Jelena Šeat | 195 |
| 8 | Аца Ђурђевић | 158 |
| 9 | Ана Голубовић | 154 |
| 10 | Ivan Tot | 108 |
| Group | Observations Count |
|---|---|
| Vertebrates | |
| Snakes | 854 |
| Lizards | 2242 |
| Turtles | 1074 |
| Frogs | 1160 |
| Tailed amphibians | 233 |
| Birds | 19951 |
| Insects | |
| Butterflies | 122103 |
| Dragonflies | 4453 |
| True bugs | 1095 |
| Grasshoppers, locusts and crickets | 4673 |
| Moths | 1925 |
| Decapods | |
| Crayfish | 152 |
| Fungi | |
| Sac fungi | 121 |
| Higher fungi | 1387 |
| Zygote fungi | 3 |
| Chytrids | 0 |
| Chromista | 0 |
| Protozoans | 10 |
| Plants | |
| Mosses | 34 |
| Lycopods | 1 |
| Horsetails | 23 |
| Ferns | 101 |
| Gymnosperms | 77 |
| Flowering plants | 7108 |
| Year | Observations Count |
|---|---|
| 2020 | 21193 |
| 2019 | 22439 |
| 2018 | 28396 |
| 2017 | 12114 |
| 2016 | 14225 |
| 2015 | 11553 |
| 2014 | 8684 |
| 2013 | 5917 |
| 2012 | 7253 |
| 2011 | 7016 |