| # | User | Observations Count |
|---|---|---|
| 1 | Милош Поповић | 23883 |
| 2 | Ivan Tot | 13150 |
| 3 | Аца Ђурђевић | 3501 |
| 4 | Rudi Verovnik | 3282 |
| 5 | Slobodan Ivkovic | 1655 |
| 6 | Emanuel Veverica | 1456 |
| 7 | Zoran Gavrilović | 1012 |
| 8 | Milan Ilić | 911 |
| 9 | Marko Cvijanovic | 897 |
| 10 | Marko Maričić | 879 |
| # | Curator | Identifications Count |
|---|---|---|
| 1 | Милош Поповић | 493 |
| 2 | Slobodan Ivkovic | 210 |
| 3 | Jelena Šeat | 112 |
| 4 | Ана Голубовић | 94 |
| 5 | Srđan Stanojević | 63 |
| 6 | Ivan Tot | 52 |
| 7 | Аца Ђурђевић | 42 |
| 8 | Marko Maričić | 38 |
| 9 | Jozef Dozsai | 20 |
| 10 | Branislav Dimitrov | 2 |
| Group | Observations Count |
|---|---|
| Reptiles | |
| Snakes | 490 |
| Lizards | 1355 |
| Turtles | 702 |
| Amphibians | |
| Frogs | 718 |
| Tailed amphibians | 133 |
| Insects | |
| Butterflies | 48282 |
| Dragonflies | 3204 |
| True bugs | 369 |
| Grasshoppers, locusts and crickets | 2278 |
| Decapods | |
| Crayfish | 33 |
| Fungi | |
| Sac fungi | 15 |
| Higher fungi | 192 |
| Zygote fungi | 1 |
| Chytrids | 0 |
| Chromista | 0 |
| Protozoans | 1 |
| Plants | |
| Mosses | 0 |
| Lycopods | 0 |
| Horsetails | 0 |
| Ferns | 1 |
| Gymnosperms | 0 |
| Flowering plants | 390 |
| Year | Observations Count |
|---|---|
| 2019 | 6069 |
| 2018 | 22280 |
| 2017 | 3955 |
| 2016 | 4713 |
| 2015 | 5208 |
| 2014 | 3611 |
| 2013 | 2836 |
| 2012 | 3774 |
| 2011 | 3062 |
| 2010 | 1539 |