# Sciurus vulgaris orientis

> subspecies of tree squirrel common throughout Eurasia

**Wikidata**: [Q20903548](https://www.wikidata.org/wiki/Q20903548)  
**Source**: https://4ort.xyz/entity/sciurus-vulgaris-orientis


## References

1. Mammal Species of the World (Third edition)
2. Squirrels of the World
3. 3. The Duke of Bedford's Zoological Exploration in Eastern Asia.—I. List of Mammals obtained by Mr. M. P. Anderson in Japan
4. Taxonomy database of the U.S. National Center for Biotechnology Information
5. Integrated Taxonomic Information System
6. Global Biodiversity Information Facility
7. [Biodiversity Center of Japan](https://www.biodic.go.jp/reports/4-02/P2_193.html)
8. UMLS 2023
9. Open Tree of Life reference taxonomy version 3.6
10. Evolution and spectral tuning of visual pigments in birds and mammals