| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Sitta | carolinensis | 8736 |
| 2 | Sitta | canadensis | 4912 |
| 3 | Sitta | pygmaea | 1779 |
| 4 | Sitta | europaea | 1127 |
| 5 | Sitta | pusilla | 1093 |
| 6 | Sitta | frontalis | 160 |
| 7 | Sitta | neumayer | 64 |
| 8 | Sitta | cinnamoventris | 56 |
| 9 | Sitta | nagaensis | 48 |
| 10 | Sitta | himalayensis | 45 |
| 11 | Sitta | krueperi | 37 |
| 12 | Sitta | castanea | 34 |
| 13 | Sitta | tephronota | 26 |
| 14 | Sitta | azurea | 23 |
| 15 | Sitta | victoriae | 20 |
| 16 | Sitta | whiteheadi | 19 |
| 17 | Sitta | solangiae | 11 |
| 18 | Sitta | magna | 10 |
| 19 | Sitta | neglecta | 10 |
| 20 | Sitta | villosa | 10 |
| 21 | Sitta | oenochlamys | 9 |
| 22 | Sitta | przewalskii | 9 |
| 23 | Sitta | formosa | 8 |
| 24 | Sitta | leucopsis | 6 |
| 25 | Sitta | ledanti | 4 |
| 26 | Sitta | yunnanensis | 1 |
| 27 | Sitta | cashmirensis | 1 |