Musser's Giant Rat
Coryphomys musseri
About the Musser's Giant Rat
The Timor giant rat (Coryphomys musseri) is an extinct species of giant rat described in 2010. It is known only from sub-fossils that were found on Timor Island, Indonesia. It is related to the murines of New Guinea and Romania. Archaeological research on East Timor has revealed the bones of rats weighing up to 6 kilograms (13.2 pounds) when adult.
Key Facts
- Rarely spotted - fewer than 100 recorded observations!
- Sadly, this species is now extinct.
Classification
Frequently Asked Questions
What is the scientific name of the Musser's Giant Rat?
The scientific name of the Musser's Giant Rat is Coryphomys musseri.
Is the Musser's Giant Rat endangered?
The Musser's Giant Rat is classified as Extinct on the IUCN Red List.
Discover More Species
Featured in Beat Darwin
The Musser's Giant Rat was Beat Darwin's Animal of the Day on challenge #101 — June 20, 2026. Can you identify it in 3 attempts?
Play Today's Challenge See all past Animals of the Day →