Proboscis Bat
Rhynchonycteris naso
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassMammalia (Mamífers)
- OrderChiroptera (Ratpenats)
- FamilyEmballonuridae (Sheath-tailed Bats)
- GenusRhynchonycteris
- SpeciesRhynchonycteris naso (Proboscis Bat)
Closest Relatives at Yasuní National Park
Greater Sac-winged Bat
Saccopteryx bilineata
Lesser Sac-winged Bat
Saccopteryx leptura
Lesser Ghost Bat
Diclidurus scutatus
Chestnut Sac-winged Bat
Cormura brevirostris
Greater Spear-nosed Bat
Phyllostomus hastatus
Mimon crenulatum
Gardnerycteris crenulatum
Fischer's little fruit bat
Rhinophylla fischerae
Chestnut Short-Tailed Bat
Carollia castanea
Dark Fruit-eating Bat
Artibeus obscurus
Great Fruit-eating Bat
Artibeus lituratus
Bidentate Yellow-eared Bat
Vampyriscus bidens
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 Yasuní National Park?
About 39% of visitor-days record a Proboscis Bat sighting in Yasuní National Park, based on 83 observer-days of citizen-science data from GBIF.
When is the best time to see Proboscis Bat in Yasuní National Park?
August has the highest sighting rate for Proboscis Bat in Yasuní National Park in our monthly data.