# Nile hippopotamus

> species of mammal (artiodactyl)

**Wikidata**: [Q34505](https://www.wikidata.org/wiki/Q34505)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Hippopotamus)  
**Source**: https://4ort.xyz/entity/hippopotamus


## References

1. Integrated Taxonomic Information System. 2004
2. Mammal Species of the World (Third edition)
3. The IUCN Red List of Threatened Species 2022.2
4. Systema Naturae. 10th edition, Volume 1
5. [Source](https://lingualibre.org/wiki/Q410275)
6. IUCN Red List
7. Freebase Data Dumps. 2013
8. Taxonomy database of the U.S. National Center for Biotechnology Information
9. Encyclopedia of Life
10. Fossilworks
11. Global Biodiversity Information Facility
12. BBC Things
13. ZooBank
14. Wörterbuch der Säugetiernamen - Dictionary of Mammal Names
15. [Source](http://www.sabencia.net/nomenclator.php)
16. Species+
17. UMLS 2023
18. Grzimeks Enzyklopädie
19. TAXREF v9.0
20. TAXREF v10.0
21. TAXREF v11.0
22. TAXREF v12.0
23. TAXREF v13.0
24. TAXREF v14.0
25. TAXREF v15.0
26. TAXREF v16.0
27. Barcode of Life Data Systems
28. Longevity of Mammals in Captivity; from the Living Collections of the World (1st edition)
29. Interim Register of Marine and Nonmarine Genera
30. [Source](https://www.latimes.com/la-fg-hippos20dec20-story.html)
31. India Biodiversity Portal
32. AnimalBase
33. KBpedia
34. Open Tree of Life reference taxonomy version 3.6
35. Out of the dark: 350 million years of conservatism and evolution in diel activity patterns in vertebrates
36. CalPhotos