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| − | {{ | + | [[Image:Waterfallswift.jpg|thumb|550px|right|Photo by {{user|Dave+B|Dave B}}<br /> Danum Valley Field Centre, Sabah, East [[Malaysia]], May 2007]] |
| − | ;Hydrochous gigas | + | '''Alternative name: Giant Swiftlet''' |
| + | ;[[:Category:Hydrochous|Hydrochous]] gigas | ||
| + | ==Identification== | ||
| + | A large ''Collocalia''-type Swiftlet, could be mistaken for [[House Swift]] in silhouette, but wing shape distinctly different, with no "bulge" on the inner primaries or obvious division between the primaries and secondaries. All dark with a slightly paler throat and underside of the remiges. In gliding flight wings are held slightly below the horizontal, unlike all other Swiftlets, which hold them horizontal. Does not "rock" from side to side like other Swiftlets. | ||
| + | ==Distribution== | ||
| + | Poorly known. Definitly breeds in W. [[Java]] and on Mt. Kinabalu on [[Borneo]]. Has been recorded from [[Sumatra]] ( Padong Highlands ), mainland [[Malaysia]] ( Fraser's Hill ), Sarawak ( Kuching area ) and Sabah ( Kinabalu, Sandakan and Gomantong ) | ||
| + | |||
| + | ==Taxonomy== | ||
| + | Uncertain affinities within the Swifts. Sometimes merged with [[:Category:Aerodramus|Aerodramus]] in [[:Category:Collocalia|Collocalia]], other authorities think that this species is not closely related to the ''Collocalia'' Swiftlets.<br> | ||
| + | Monotypic. | ||
| + | |||
| + | ==Habitat== | ||
| + | In mountainous rainforest around waterfalls. | ||
| + | ==Behaviour== | ||
| + | Gregarious, often seen in flocks, sometimes with [[Cave Swiftlet]]s or [[Brown-backed Needletail]]s. Feeds on various insects, taken in flight, usually foraging at dawn or dusk.<br/> | ||
| + | Breeding recorded in April in Malaysia and from October to January on Java. Builds a nest at waterfall cliffs, lays usually one egg. Not capable of echolocation.<br/> | ||
| + | Believed to be a resident species, but further study needed. | ||
==External Links== | ==External Links== | ||
| + | {{GSearch|Hydrochous+gigas}} | ||
| − | [[Category:Birds]] [[Category: | + | [[Category:Birds]] [[Category:Hydrochous]] |
Latest revision as of 10:27, 6 May 2020
Alternative name: Giant Swiftlet
- Hydrochous gigas
Identification
A large Collocalia-type Swiftlet, could be mistaken for House Swift in silhouette, but wing shape distinctly different, with no "bulge" on the inner primaries or obvious division between the primaries and secondaries. All dark with a slightly paler throat and underside of the remiges. In gliding flight wings are held slightly below the horizontal, unlike all other Swiftlets, which hold them horizontal. Does not "rock" from side to side like other Swiftlets.
Distribution
Poorly known. Definitly breeds in W. Java and on Mt. Kinabalu on Borneo. Has been recorded from Sumatra ( Padong Highlands ), mainland Malaysia ( Fraser's Hill ), Sarawak ( Kuching area ) and Sabah ( Kinabalu, Sandakan and Gomantong )
Taxonomy
Uncertain affinities within the Swifts. Sometimes merged with Aerodramus in Collocalia, other authorities think that this species is not closely related to the Collocalia Swiftlets.
Monotypic.
Habitat
In mountainous rainforest around waterfalls.
Behaviour
Gregarious, often seen in flocks, sometimes with Cave Swiftlets or Brown-backed Needletails. Feeds on various insects, taken in flight, usually foraging at dawn or dusk.
Breeding recorded in April in Malaysia and from October to January on Java. Builds a nest at waterfall cliffs, lays usually one egg. Not capable of echolocation.
Believed to be a resident species, but further study needed.
