dusky rice rat

dusky rice rat

Melanomys caliginosus

Silhouette: T. Michael Keesey · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability Insufficient data
at Gandoca-Manzanillo Wildlife Refuge
1 Verified sightings at Gandoca-Manzanillo Wildlife Refuge From 2019 to 2026
4 Verified sightings across all 3 parks From 2019 to 2026
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the dusky rice rat

Melanomys caliginosus, also known as the dusky melanomys or dusky rice rat, is a species of rodent in the genus Melanomys of family Cricetidae. It is found from Central America, in Honduras, Nicaragua, Costa Rica, and Panama, into South America, where it occurs in Venezuela, Colombia, and Ecuador. Populations currently classified under M. caliginosus may in fact include more than one species.

Musser, G. G.; Carleton, M. D. (2005). "Superfamily Muroidea". In Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. pp. 894–1531. ISBN 978-0-8018-8221-0. OCLC 62265494. Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Farallones de Cali National Natural Park 🇨🇴 Colombia
Insufficient data
2 Gandoca-Manzanillo Wildlife Refuge 🇨🇷 Costa Rica
Insufficient data
3 La Amistad International Park (Panama) 🇵🇦 Panama
Insufficient data
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