# Pyxicephalus adspersus

> species of amphibian

**Wikidata**: [Q387319](https://www.wikidata.org/wiki/Q387319)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/African_bullfrog)  
**Source**: https://4ort.xyz/entity/pyxicephalus-adspersus


## References

1. Integrated Taxonomic Information System. 2005
2. The IUCN Red List of Threatened Species 2022.2
3. IUCN Red List
4. Freebase Data Dumps. 2013
5. Taxonomy database of the U.S. National Center for Biotechnology Information
6. Encyclopedia of Life
7. Atlas and red data book of the frogs of South Africa, Lesotho and Swaziland
8. Barcode of Life Data Systems
9. AmphibiaWeb
10. Interim Register of Marine and Nonmarine Genera
11. [iNaturalist](https://www.inaturalist.org/pages/range_maps)
12. Open Tree of Life reference taxonomy version 3.6
13. Out of the dark: 350 million years of conservatism and evolution in diel activity patterns in vertebrates
14. CalPhotos