Haplochelidon andecola
Silhouette: Matt Wilkins · PhyloPic
In 3 days <5% in a week ~10%
The Andean swallow (Orochelidon andecola) is a species of bird in the family Hirundinidae, the swallows and martins. It is found in Argentina, Bolivia, Chile, and Peru. The Andean swallow was originally described as Hirundo andecola. It was later assigned by different authors to genera Petrochelidon, Stelgidopteryx, and Haplochelidon. Following a study published in 2005 it was moved to the resurrected genus Orochelidon that had been erected in 1903.
The Andean swallow shares genus Oroichelidon with the pale-footed swallow (O. flavipes) and brown-bellied swallow (O. murina). The Andean swallow is 13.5 to 14 cm (5.3 to 5.5 in) long and weighs 14 to 19 g (0.49 to 0.67 oz). The sexes have the same plumage. Adults of the nominate subspecies have a mostly glossy greenish black head with black lores, gray ear coverts, and a gray-brown chin and throat. Their upperparts are mostly glossy greenish black with a brownish rump and uppertail coverts. Their tail is square or somewhat notched. Their breast and flanks are gray-brown and... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Lauca National Park | 🇨🇱 Chile |
More parks will be added in future updates.
Rare
Under 5% of wildlife watchers report an Andean Swallow sighting in Arequipa on a given day, based on 29 verified sightings from GBIF citizen-science data. It is the 49th most-seen of the 61 birds we can rate there. Over three days the chance rises to under 5%, and over a week to about 10%, if each day is a fresh chance.
June
In that month about 10% of wildlife watchers report an Andean Swallow in Arequipa on a given day, against under 5% in July to May, the lowest months. That is one of Arequipa's driest months, with almost no rain against 45 mm in February.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Andean Swallow sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
2nd of 2
Of the 2 cities where we can rate Andean Swallow sightings, Arequipa ranks 2nd at under 5%. The best odds are in La Paz (Bolivia, about 10%).
GBIF citizen-science records
It is estimated from how often the Andean Swallow is recorded against all the birds logged in Arequipa (29 verified sightings), 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.
