Statistics for PASSERIFORMES
| Families | 43 |
|---|---|
| Genera | 137 |
| Subgenera | 138 |
| Genus synonyms | 557 |
| Species | 369 |
| Subspecies | 657 |
| Species synonyms | 2040 |
| Incertae sedis | 0 |
| Species inquirenda | 12 |
| Aggregate genera | 0 |
| Aggregate species | 0 |
| Unplaced | 138 |
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