Proboscis Bat
Rhynchonycteris naso
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassMammalia (Mamífers)
- OrderChiroptera (Ratpenats)
- FamilyEmballonuridae (Sheath-tailed Bats)
- GenusRhynchonycteris
- SpeciesRhynchonycteris naso (Proboscis Bat)
The proboscis bat (Rhynchonycteris naso) is a species of bat found in South America and Central America. Other common names include long-nosed proboscis bat, sharp-nosed bat, Brazilian long-nosed bat, and river bat. It is the only species in the genus Rhynchonycteris. This species is in the family Emballonuridae, the sac-winged or sheath-tailed bats. Like most bats, it is nocturnal. It is found from southern Mexico to Belize, Peru, Venezuela, Bolivia and Brazil, as well as in Trinidad. Wikipedia →
10–20% of wildlife watchers report a Proboscis Bat sighting in Braulio Carrillo National Park, based on 22 days of visitor records from GBIF citizen-science data.
Closest Relatives at Braulio Carrillo National Park
Greater Sac-winged Bat
Saccopteryx bilineata
Thomas's Shaggy Bat
Centronycteris centralis
Chestnut Sac-winged Bat
Cormura brevirostris
Short-eared Bat
Cyttarops alecto
Northern Ghost Bat
Diclidurus albus
Gray Sac-winged Bat
Balantiopteryx plicata
Lesser Sac-winged Bat
Saccopteryx leptura
White Bat
Ectophylla alba
Vampire Bat
Desmodus rotundus
Jamaican Fruit-eating Bat
Artibeus jamaicensis
Striped Yellow-eared Bat
Vampyriscus nymphaea
Northern Little Yellow-eared Bat
Vampyressa thyone
📅 Monthly Probability
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · across all parks (global)
Global Distribution
Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.
where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is) · parks where it occurs — tap a pin for the sighting probability there
Parks Where Found
Quick answers
What are the chances of seeing a Proboscis Bat in Braulio Carrillo National Park?
About 15% of wildlife watchers report a Proboscis Bat sighting in Braulio Carrillo National Park, based on 22 days of visitor records from GBIF citizen-science data.
When is the best time to see Proboscis Bat in Braulio Carrillo National Park?
December has the highest sighting rate for Proboscis Bat in Braulio Carrillo National Park in our monthly data.