# Sibley-Ahlquist taxonomy of birds

> proposed classification system of birds

**Wikidata**: [Q839752](https://www.wikidata.org/wiki/Q839752)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sibley–Ahlquist_taxonomy_of_birds)  
**Source**: https://4ort.xyz/entity/sibley-ahlquist-taxonomy-of-birds


## References

1. Freebase Data Dumps. 2013