Gray-rumped Treeswift
Hemiprocne longipennis
- KingdomAnimalia (Animals)
- PhylumChordata (Chordates)
- ClassAves (Birds)
- OrderApodiformes (Swifts and Hummingbirds)
- FamilyHemiprocnidae (Treeswifts)
- GenusHemiprocne (Treeswifts)
- SpeciesHemiprocne longipennis (Gray-rumped Treeswift)
About the Gray-rumped Treeswift
The grey-rumped treeswift (Hemiprocne longipennis) is a species of bird in the Hemiprocnidae family. Currently, four extant species are placed in the family. Like the other members of the Hemiprocnidae, this species is closely related to true swifts, but unlike true swifts, the treeswifts are arboreal, often seen perched on trees, high-tension power transmission lines, and pylons. When perched, the wing tips cross over the tail. This species is commonly found in peninsular Malaysia, but has an extremely large range; there is limited information about population trends.
Adult males have a distinct dark grey throat and chest contrasting with a white belly. Ear coverts are dull orange-red/chestnut-colored. Adult females lack the dull orange-red/chestnut coloration on the ear coverts. When perched, the wing tips cross over across the tail. Both sexes have a greenish sheen to the upper parts.
It is found in Brunei, Indonesia, Malaysia, Myanmar, the Philippines, Singapore, and Thailand. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical mangrove forests, and subtropical or tropical moist montane forests.
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Closest Relatives at Taman Negara National Park
Whiskered Treeswift
Hemiprocne comata
White-nest Swiftlet
Aerodramus fuciphagus
Silver-rumped Needletail
Rhaphidura leucopygialis
House Swift
Apus nipalensis
Brown-backed Needletail
Hirundapus giganteus
Plume-toed Swiftlet
Collocalia affinis
Asian Palm-Swift
Cypsiurus balasiensis
Black-nest Swiftlet
Aerodramus maximus
Pacific Swift
Apus pacificus
Silver-backed Needletail
Hirundapus cochinchinensis
Himalayan Swiftlet
Aerodramus brevirostris
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 | Daily sighting probability |
|---|---|---|---|
| 1 | Bali Barat National Park | 🇮🇩 Indonesia | |
| 2 | Gunung Leuser National Park | 🇮🇩 Indonesia | |
| 3 | Khao Luang National Park | 🇹🇭 Thailand | |
| 4 | Sepilok | 🇲🇾 Malaysia | |
| 5 | Way Kambas National Park | 🇮🇩 Indonesia | |
| 6 | Danum Valley Conservation Area | 🇲🇾 Malaysia | |
| 7 | Tangkoko Nature Reserve | 🇮🇩 Indonesia | |
| 8 | Kaeng Krachan National Park | 🇹🇭 Thailand | |
| 9 | Taman Negara National Park | 🇲🇾 Malaysia | |
| 10 | Khao Sok National Park | 🇹🇭 Thailand | |
| 11 | Tanjung Puting National Park | 🇮🇩 Indonesia | |
| 12 | Kinabalu Park | 🇲🇾 Malaysia | |
| 13 | Kinabatangan Wildlife Sanctuary | 🇲🇾 Malaysia | |
| 14 | Bako National Park | 🇲🇾 Malaysia | |
| 15 | Kerinci Seblat National Park | 🇮🇩 Indonesia |
Quick answers
What are the chances of seeing a Gray-rumped Treeswift in Taman Negara National Park?
About 10% of wildlife watchers report a Gray-rumped Treeswift sighting in Taman Negara National Park, based on 218 verified sightings from GBIF citizen-science data.
When is the best time to see Gray-rumped Treeswift in Taman Negara National Park?
December has the highest sighting rate for Gray-rumped Treeswift in Taman Negara National Park in our monthly data.