| # | User | Observations Count |
|---|---|---|
| 1 | Милош Поповић | 25538 |
| 2 | Ivan Tot | 16516 |
| 3 | Аца Ђурђевић | 3752 |
| 4 | Rudi Verovnik | 3282 |
| 5 | Слободан Стевчић | 2355 |
| 6 | Slobodan Ivkovic | 1656 |
| 7 | Ivan Medenica | 1556 |
| 8 | Emanuel Veverica | 1456 |
| 9 | Zoran Gavrilović | 1426 |
| 10 | Marko Maričić | 954 |
| # | Curator | Identifications Count |
|---|---|---|
| 1 | Милош Поповић | 802 |
| 2 | Jozef Dozsai | 499 |
| 3 | Slobodan Ivkovic | 287 |
| 4 | Srđan Stanojević | 188 |
| 5 | Jelena Šeat | 169 |
| 6 | Ана Голубовић | 138 |
| 7 | Аца Ђурђевић | 118 |
| 8 | Ivan Tot | 106 |
| 9 | Irena Raca | 87 |
| 10 | Marko Maričić | 56 |
| Group | Observations Count |
|---|---|
| Reptiles | |
| Snakes | 604 |
| Lizards | 1577 |
| Turtles | 876 |
| Amphibians | |
| Frogs | 940 |
| Tailed amphibians | 164 |
| Insects | |
| Butterflies | 56219 |
| Dragonflies | 3613 |
| True bugs | 543 |
| Grasshoppers, locusts and crickets | 2467 |
| Decapods | |
| Crayfish | 77 |
| Fungi | |
| Sac fungi | 88 |
| Higher fungi | 969 |
| Zygote fungi | 2 |
| Chytrids | 0 |
| Chromista | 0 |
| Protozoans | 6 |
| Plants | |
| Mosses | 21 |
| Lycopods | 1 |
| Horsetails | 17 |
| Ferns | 64 |
| Gymnosperms | 36 |
| Flowering plants | 3032 |
| Year | Observations Count |
|---|---|
| 2019 | 16155 |
| 2018 | 22798 |
| 2017 | 4696 |
| 2016 | 5389 |
| 2015 | 5730 |
| 2014 | 4216 |
| 2013 | 2867 |
| 2012 | 3781 |
| 2011 | 3064 |
| 2010 | 1542 |