Great Dusky Swift
Cypseloides senex
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderApodiformes (Swifts and Hummingbirds)
- FamilyApodidae (Swifts)
- GenusCypseloides (Cypseloides Swifts)
- SpeciesCypseloides senex (Great Dusky Swift)
Closest Relatives at Chapada dos Guimarães National Park
Sooty Swift
Cypseloides fumigatus
White-collared Swift
Streptoprocne zonaris
Biscutate Swift
Streptoprocne biscutata
Sick's Swift
Chaetura meridionalis
Fork-tailed Palm-Swift
Tachornis squamata
Short-tailed Swift
Chaetura brachyura
Pale-rumped Swift
Chaetura egregia
Fork-tailed Woodnymph
Thalurania furcata
Glittering-throated Emerald
Chionomesa fimbriata
Glittering-bellied Emerald
Chlorostilbon lucidus
Swallow-tailed Hummingbird
Eupetomena macroura
White-vented Violetear
Colibri serrirostris
📅 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
| # | Park | Country | Probability |
|---|---|---|---|
| 1 | Iguaçu National Park | 🇧🇷 Brazil | |
| 2 | Iguazú National Park | 🇦🇷 Argentina | |
| 3 | Serra da Canastra National Park | 🇧🇷 Brazil | |
| 4 | Chapada dos Guimarães National Park | 🇧🇷 Brazil | |
| 5 | Emas National Park | 🇧🇷 Brazil | |
| 6 | Parque Estadual Encontro das Águas | 🇧🇷 Brazil |
Quick answers
What are the chances of seeing a Great Dusky Swift in Chapada dos Guimarães National Park?
About 4% of visitor-days record a Great Dusky Swift sighting in Chapada dos Guimarães National Park, based on 35 observer-days of citizen-science data from GBIF.
When is the best time to see Great Dusky Swift in Chapada dos Guimarães National Park?
October has the highest sighting rate for Great Dusky Swift in Chapada dos Guimarães National Park in our monthly data.