# Sciurus niger rufiventer

> subspecies of Sciurus niger

**Wikidata**: [Q20903496](https://www.wikidata.org/wiki/Q20903496)  
**Source**: https://4ort.xyz/entity/sciurus-niger-rufiventer


## References

1. Mammal Species of the World (Third edition)
2. Squirrels of the World
3. Taxonomy database of the U.S. National Center for Biotechnology Information
4. Integrated Taxonomic Information System
5. Global Biodiversity Information Facility
6. Sciurus niger. 1994
7. UMLS 2023
8. Evolution and spectral tuning of visual pigments in birds and mammals