Niceforo's Big-eared Bat

Niceforo's Big-eared Bat

Trinycteris nicefori

Silhouette: Roberto Díaz Sibaja · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability Insufficient data
at Braulio Carrillo National Park
1 Verified sightings at Braulio Carrillo National Park From 2019 to 2026
3 Verified sightings across all 3 parks From 2019 to 2026
🌙 Nocturnal When it's spotted during nighttime hours (6pm–6am)

About the Niceforo's Big-eared Bat

Niceforo's big-eared bat (Trinycteris nicefori) is a bat species from South and Central America, ranging from Chiapas to Bolivia and northeastern Brazil. Its habitat is primary and secondary forest at altitudes from sea level to 1000 m. It is crepuscular, being most active in the hour after sunset and before dawn. The species is monotypic within its genus.

It is a small species with triangular ears. Individuals weigh 7–11 g (0.25–0.39 oz) and have forearm lengths of 35–40 mm (1.4–1.6 in). Its fur is grayish-brown. Most individuals have a faint, pale-colored stripe that runs down their back along the spine. Its dental formula is 2.1.2.32.1.3.3 for a total of 34 teeth.

It is nocturnal, roosting in sheltered places during the day such as hollow logs and human structures. It is found in Belize, Bolivia, Brazil, Colombia Costa Rica, Ecuador, French Guiana, Guatemala, Guyana, Mexico, Nicaragua, Panama, Peru, Suriname, Trinidad and Tobago, and Venezuela. It is found at elevations up to 1,000 m (3,300 ft) above sea level.

As of 2015, it is classified as a least-concern species by the IUCN. Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Yasuní National Park 🇪🇨 Ecuador
Insufficient data
2 Braulio Carrillo National Park 🇨🇷 Costa Rica
Insufficient data
3 Manu National Park 🇵🇪 Peru
Insufficient data
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