| # | User | Observations Count |
|---|---|---|
| 1 | Милош Поповић | 25384 |
| 2 | Ivan Tot | 16410 |
| 3 | Аца Ђурђевић | 3670 |
| 4 | Rudi Verovnik | 3282 |
| 5 | Слободан Стевчић | 2114 |
| 6 | Slobodan Ivkovic | 1656 |
| 7 | Ivan Medenica | 1554 |
| 8 | Emanuel Veverica | 1456 |
| 9 | Zoran Gavrilović | 1411 |
| 10 | Marko Maričić | 949 |
| # | Curator | Identifications Count |
|---|---|---|
| 1 | Милош Поповић | 755 |
| 2 | Jozef Dozsai | 421 |
| 3 | Slobodan Ivkovic | 278 |
| 4 | Jelena Šeat | 158 |
| 5 | Ана Голубовић | 134 |
| 6 | Srđan Stanojević | 120 |
| 7 | Аца Ђурђевић | 115 |
| 8 | Ivan Tot | 106 |
| 9 | Irena Raca | 83 |
| 10 | Marko Maričić | 43 |
| Group | Observations Count |
|---|---|
| Reptiles | |
| Snakes | 584 |
| Lizards | 1540 |
| Turtles | 868 |
| Amphibians | |
| Frogs | 906 |
| Tailed amphibians | 161 |
| Insects | |
| Butterflies | 55756 |
| Dragonflies | 3578 |
| True bugs | 499 |
| Grasshoppers, locusts and crickets | 2434 |
| Decapods | |
| Crayfish | 57 |
| Fungi | |
| Sac fungi | 56 |
| Higher fungi | 574 |
| Zygote fungi | 1 |
| Chytrids | 0 |
| Chromista | 0 |
| Protozoans | 4 |
| Plants | |
| Mosses | 16 |
| Lycopods | 1 |
| Horsetails | 15 |
| Ferns | 57 |
| Gymnosperms | 27 |
| Flowering plants | 2484 |
| Year | Observations Count |
|---|---|
| 2019 | 14609 |
| 2018 | 22687 |
| 2017 | 4639 |
| 2016 | 5380 |
| 2015 | 5718 |
| 2014 | 4216 |
| 2013 | 2867 |
| 2012 | 3780 |
| 2011 | 3063 |
| 2010 | 1542 |