Chelidoptera tenebrosa
Silhouette: Matt Wilkins (Photo by Len Blumin) · PhyloPic
In 3 days ~60% in a week ~90%
The swallow-winged puffbird (Chelidoptera tenebrosa) is a species of near-passerine bird in the family Bucconidae, the puffbirds, nunlets, and nunbirds. It is also called the swallow-wing. It is found in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, and Venezuela.
The swallow-winged puffbird was previously known as simply "swallow-wing" but its current name has been widely accepted since the late twentieth century. It is the only member of its genus. The swallow-winged puffbird is 14 to 15 cm (5.5 to 5.9 in) long and weighs 30 to 41.5 g (1.1 to 1.5 oz). The nominate subspecies has sooty black upperparts with some bluish iridescence. The lower back and rump are white. Its tail is short and black with white tips to the feathers that quickly wear away. The wings are long and pointed. The chin is whitish, the throat grayish, and the breast sooty black fading to gray in its lower part. Its belly is orange-chestnut. The bill is black, the eye dark brown, and the feet dark gray or black. C. t. brasiliensis is larger than... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Manu National Park | 🇵🇪 Peru | |
| 2 | Anavilhanas National Park | 🇧🇷 Brazil | |
| 3 | Cuyabeno Wildlife Reserve | 🇪🇨 Ecuador | |
| 4 | Sierra de la Macarena National Park | 🇨🇴 Colombia | |
| 5 | Yasuní National Park | 🇪🇨 Ecuador | |
| 6 | Tambopata National Reserve | 🇵🇪 Peru | |
| 7 | Chapada dos Guimarães National Park | 🇧🇷 Brazil | |
| 8 | Amacayacu National Natural Park | 🇨🇴 Colombia |
Possible
About 30% of wildlife watchers report a Swallow-wing Puffbird sighting in Anavilhanas National Park on a given day, based on 119 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 42nd most-seen of the 291 birds we can rate there. Over three days the chance rises to about 60%, and over a week to about 90%, if each day is a fresh chance.
November
In that month about 40% of wildlife watchers report a Swallow-wing Puffbird in Anavilhanas National Park on a given day, against about 20% in May–June and December–March, the lowest months.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Swallow-wing Puffbird sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 8 parks where we can rate Swallow-wing Puffbird sightings, Anavilhanas National Park ranks 2nd at about 30%, level with the leaders once rounded. The best odds are in Manu National Park (Peru, about 30%).
Same family: Bucconidae
The closest relatives of the Swallow-wing Puffbird that you can see in Anavilhanas National Park (family Bucconidae, Puffbirds) are Black-fronted Nunbird (about 40%) and Black Nunbird (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Swallow-wing Puffbird is recorded against all the birds logged in Anavilhanas National Park (119 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
