Uropsalis segmentata
Silhouette: Sheatherius · PhyloPic
In 3 days <5%
The swallow-tailed nightjar (Uropsalis segmentata) is a species of nightjar in the family Caprimulgidae. It is found in Bolivia, Colombia, Ecuador, and Peru. The nominate was originally described as Hydropsalis segmentata and U. s. kalinowskii as a separate species, Macropsalis kalinowskii.
The male swallow-tailed nightjar has extremely long outer tail feathers from which the species gets its name; the female's tail is much shorter and less graduated. The male is 66 cm (26 in) long including the tail streamers and weighs about 42 g (1.5 oz). The female is 23 cm (9.1 in) long and weighs about 43 g (1.5 oz). The upperparts of both sexes of the nominate subspecies are dark brown with many tawny spots. The tail is generally brown; the outer tail feathers of both sexes have white shafts and outer webs and the others have tawny bars and spots. The wings are brown to grayish brown with tawny spots. The chin and throat are dark brown with buff spots, the breast dark brown with... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Podocarpus National Park | 🇪🇨 Ecuador | |
| 2 | Chingaza National Natural Park | 🇨🇴 Colombia |
Rare
Under 5% of wildlife watchers report a Swallow-tailed Nightjar sighting in Chingaza National Natural Park on a given day, based on 6 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 243rd most-seen of the 258 birds we can rate there. Over three days the chance rises to under 5%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Swallow-tailed Nightjar in Chingaza National Natural Park on a given day, so our monthly data shows no clear season.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Swallow-tailed Nightjar sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.
Among the best
Of the 2 parks where we can rate Swallow-tailed Nightjar sightings, Chingaza National Natural Park ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Podocarpus National Park (Ecuador, under 5%).
GBIF citizen-science records
It is estimated from how often the Swallow-tailed Nightjar is recorded against all the birds logged in Chingaza National Natural Park (6 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.
