Gray-rumped Swift
Chaetura cinereiventris
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderApodiformes (Swifts and Hummingbirds)
- FamilyApodidae (Swifts)
- GenusChaetura (Chaetura Swifts)
- SpeciesChaetura cinereiventris (Gray-rumped Swift)
Closest Relatives at Iguazú National Park
Sick's Swift
Chaetura meridionalis
Great Dusky Swift
Cypseloides senex
White-collared Swift
Streptoprocne zonaris
Sooty Swift
Cypseloides fumigatus
Biscutate Swift
Streptoprocne biscutata
Violet-capped Woodnymph
Thalurania glaucopis
Gilded Hummingbird
Hylocharis chrysura
Versicolored Emerald
Chrysuronia versicolor
Scale-throated Hermit
Phaethornis eurynome
Glittering-bellied Emerald
Chlorostilbon lucidus
Planalto Hermit
Phaethornis pretrei
Sapphire-spangled Emerald
Chionomesa lactea
📅 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 Gray-rumped Swift in Iguazú National Park?
About 11% of visitor-days record a Gray-rumped Swift sighting in Iguazú National Park, based on 481 observer-days of citizen-science data from GBIF.
When is the best time to see Gray-rumped Swift in Iguazú National Park?
August has the highest sighting rate for Gray-rumped Swift in Iguazú National Park in our monthly data.