List of largest rodents

This is a list of the largest rodents .

Rank	Common name	Scientific name	Status	Maximum body mass [kg (lb)]	Image	Notes
1		Josephoartigasia monesi	Fossil	1,250 kg (2,760 lb)		[1]
2		Phoberomys pattersoni	Fossil	550–700 kg (1,210–1,540 lb)		[2]
3	Greater capybara	Hydrochoerus hydrochaeris	Extant	91.2 kg (201 lb)		[3]
4	North American beaver	Castor canadensis	Extant	50 kg (110 lb)		[4]
5	Lesser capybara	Hydrochoerus isthmius	Extant	28 kg (62 lb)		[5]
6	Eurasian beaver	Castor fiber	Extant	30 kg (66 lb)		[6]
7	Cape porcupine	Hystrix africaeaustralis	Extant	30 kg (66 lb)		[7]
8	Crested porcupine	Hystrix cristata	Extant	27 kg (60 lb)		[8]
9	North American porcupine	Erethizon dorsatum	Extant	18 kg (40 lb)		[9]
10	Indian crested porcupine	Hystrix indica	Extant	18 kg (40 lb)		[10]
11	Coypu	Myocastor coypus	Extant	17 kg (37 lb)		[11]
12	Patagonian mara	Dolichotis patagonum	Extant	16 kg (35 lb)		[12]
13	Pacarana	Dinomys branickii	Extant	15 kg (33 lb)		[13]
14	Paca	Cuniculus paca	Extant	6–14 kg (13–31 lb)		[14]

See also

• Mammals portal

• List of largest mammals

References

1. Josephoartigasia monesi at Fossilworks.org
2. Phoberomys pattersoni at Fossilworks.org
3. Mones, Alvaro; Ojasti, Juhani (16 June 1986). "Hydrochoerus hydrochaeris Brisson 1762". Mammalian Species (264): 1–7. doi: 10.2307/3503784 . JSTOR   3503784. S2CID   250991487.
4. "North American Beaver". March 18, 2025. Retrieved October 20, 2025.
5. "Capybara | Description, Behavior, & Facts". www.britannica.com. Retrieved 2025-10-21.
6. "Eurasian beaver guide: how to identify, why they became extinct in the UK, and where they've been reintroduced" . Retrieved October 20, 2025.
7. "Cape Porcupine" . Retrieved October 20, 2025.
8. McPhee, M. Elsbeth (2003). "Hystrix Cristata".
9. "North American Porcupine".
10. Schlimme, Kurt (2000). "Hystrix Indica".
11. D'Elia, Guillermo (1999). "Myocastor Coypus".
12. Mascow, Molly (2011). "Dolichotis Patagonum".
13. Nguyen, Khoa Huu (2001). "Dinomys Branickii".
14. MacDonald, Gordon (2013). "Cuniculus Paca".