# Speculum feathers

> patch on inner bird wings

**Wikidata**: [Q31496](https://www.wikidata.org/wiki/Q31496)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Speculum_feathers)  
**Source**: https://4ort.xyz/entity/speculum-feathers


## References

1. Freebase Data Dumps. 2013