Petrochelidon fluvicola
Silhouette: Andy Wilson · PhyloPic
In 3 days <5% in a week ~10%
The streak-throated swallow or the Indian cliff swallow (Petrochelidon fluvicola) is a passerine bird, which includes a large number of other species including many swallows. It is native of South Asia where it is a breeder, year-round resident or winter visitor in the countries of Afghanistan, India, Nepal and Pakistan. It occurs as a vagrant in the Maldives, Sri Lanka, and the Middle East.
The streak-throated swallow was first identified by the English zoologist Edward Blyth in 1855. It is currently placed in the genus Petrochelidon, identified by the German ornithologist Jean Cabanis in 1850. A synonym is Hirundo fluvicola. It belongs to the family Hirundinidae, named by the French polymath Constantine Samuel Rafinesque in 1815.
The streak-throated swallow is a sparrow-sized bird about 11 cm (4.3 in) in length. It has a dull chestnut forehead and crown. The underparts are whitish, the upper feathers are steel-blue. The rump is pale brown and the tail has a square end. The brown streaks on the throat and chest are distinctive and used to differentiate from other similar birds. On cold mornings, large flocks are seen closely-packed on electric... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Keoladeo National Park | 🇮🇳 India | |
| 2 | Gir National Park | 🇮🇳 India | |
| 3 | Ranthambore National Park | 🇮🇳 India | |
| 4 | Satpura National Park | 🇮🇳 India | |
| 5 | Bandipur National Park | 🇮🇳 India | |
| 6 | Mudumalai National Park | 🇮🇳 India | |
| 7 | Nagarhole National Park | 🇮🇳 India | |
| 8 | Bandhavgarh National Park | 🇮🇳 India | |
| 9 | Jim Corbett National Park | 🇮🇳 India | |
| 10 | Kanha National Park | 🇮🇳 India |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Nagpur | 🇮🇳 India | |
| 2 | Vadodara | 🇮🇳 India | |
| 3 | Ranchi | 🇮🇳 India | |
| 4 | Lucknow | 🇮🇳 India | |
| 5 | Islamabad | 🇵🇰 Pakistan | |
| 6 | Thiruvananthapuram | 🇮🇳 India | |
| 7 | Hyderabad | 🇮🇳 India | |
| 8 | Ludhiana | 🇮🇳 India | |
| 9 | Vasai-Virar | 🇮🇳 India | |
| 10 | Kota | 🇮🇳 India |
Rare
Under 5% of wildlife watchers report a Streak-throated Swallow sighting in Colombo [Sri Jayawardenepura Kotte] on a given day, based on 75 verified sightings from GBIF citizen-science data. It is the 113th most-seen of the 204 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.
January
In that month about 10% of wildlife watchers report a Streak-throated Swallow in Colombo [Sri Jayawardenepura Kotte] on a given day, against under 5% in February to December, the lowest months. That is one of Colombo [Sri Jayawardenepura Kotte]'s driest months, with about 75 mm of rain against 310 mm in November.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Streak-throated Swallow sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
19th of 29
Of the 29 cities where we can rate Streak-throated Swallow sightings, Colombo [Sri Jayawardenepura Kotte] ranks 19th at under 5%. The best odds are in Nagpur (India, about 10%), Vadodara (India, about 10%) and Ranchi (India, about 10%).
Same family: Hirundinidae
The closest relatives of the Streak-throated Swallow that you can see in Colombo [Sri Jayawardenepura Kotte] (family Hirundinidae, Swallows and Martins) are Barn Swallow (about 30%) and Sri Lanka Swallow (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Streak-throated Swallow is recorded against all the birds logged in Colombo [Sri Jayawardenepura Kotte] (75 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.
