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| − | + | '''Alternative Name: White rumped Triller; Sulawesi Triller''' | |
| − | '''Alternative Name: White rumped Triller''' | ||
;[[:Category:Lalage|Lalage]] leucopygialis | ;[[:Category:Lalage|Lalage]] leucopygialis | ||
==Identification== | ==Identification== | ||
| + | 19 cm, 7.5 inches | ||
| + | ====Male==== | ||
| + | *Dark grey to black forehead, [[Topography Artwork General Anatomy|crown]] to [[Topography Artwork General Anatomy|mantle]] and [[Topography Artwork Wings|scapulars]] with greenish [[Dictionary G-L#I|iridescence]] | ||
| + | *Broad white [[Topography Artwork Heads|supercilium]] | ||
| + | *Blackish [[Topography Artwork Heads|lores]] and [[Topography Artwork Heads|eye-stripe]] | ||
| + | *White eyelids and remainder of side of head | ||
| + | *Pale grey lower back to [[Topography Artwork Tails|uppertail coverts]] changing to white on [[Topography Artwork General Anatomy|rump]] | ||
| + | *Glossy blue-black [[Topography Artwork Wings|alula]] and [[Topography Artwork Wings| lesser upperwing coverts]] | ||
| + | *Blackish [[Topography Artwork Wings|greater]] and [[Topography Artwork Wings|median coverts]] with broad white margins | ||
| + | *Black [[Topography Artwork Wings|primary coverts]] | ||
| + | *Black [[Dictionary P-S#R|remiges]] with narrow white tips to [[Topography Artwork Wings|primaries]] | ||
| + | *Black [[Topography Artwork Wings|secondaries]] and [[Topography Artwork Wings|tertials]] with white margins | ||
| + | *Blackish [[Dictionary P-S#R|retrices]], outer two have white tips | ||
| + | *Pure white throat and underparts | ||
| + | *Very small dark bars on foreneck and throat | ||
| + | *Grey thighs | ||
| + | *Dark brown iris | ||
| + | *Black beakeak and legs | ||
| + | ====Female==== | ||
| + | *Black crown | ||
| + | *Paler and much greyer underparts | ||
| + | *white edges and tips of [[Topography Artwork Wings|upperwing coverts]] | ||
| + | *Less prominent remiges than male | ||
| + | *Underparts have a yellowish brown wash with narrow dark scales | ||
| + | ====Juvenile==== | ||
| + | *Similar to female | ||
| + | *Reddish brown tinge to [[Topography Artwork Heads|supercilium]] | ||
| + | *Rust coloured feather tips on underparts | ||
| + | *Brown [[Dictionary P-S#R|retrices]] with white tips | ||
| + | *Off white underparts | ||
| + | *Dark bars on flanks | ||
| + | *Immature undescribed | ||
| + | ====Similar Species==== | ||
| + | Differs from [[Pied Triller]] in that it has a white rump instread of pale grey. | ||
==Distribution== | ==Distribution== | ||
| − | [[Sulawesi]] including islands of Manadotua, Bangka, Muna, Buton | + | [[Sulawesi]] including islands of Manadotua, Bangka, Muna, Buton and Banggai and [[Sula]] Islands (Taliabu, Sanana). [[Indonesia]]. |
| − | |||
==Taxonomy== | ==Taxonomy== | ||
This species is [[Dictionary M-O#M|monotypic]]<sup>[[#References|[1]]]</sup> | This species is [[Dictionary M-O#M|monotypic]]<sup>[[#References|[1]]]</sup> | ||
==Habitat== | ==Habitat== | ||
| − | + | Forest edge, heavily disturbed and secondary forest, open woodland, farmland, gardens, lightly wooded cultivation and mangroves. Up to 1000 m. | |
==Behaviour== | ==Behaviour== | ||
| − | + | ====Diet==== | |
| + | Diet not recorded. Thought to be similar to that of [[Pied Triller]]. Occurs singly, in pairs or in small groups. <br /> | ||
| + | Forages in crown and middle storey of large and small trees and near to the ground in mangroves. | ||
| + | ====Breeding==== | ||
| + | Breeding occurs in May.<br /> | ||
| + | Nest is a tight open cup, not fully described but thought to be similar to that of [[Pied Triller]] One recorded on horizontal branch 18 m above ground. | ||
| + | ====Vocalisation==== | ||
| + | An increasingly loud series of quick, harsh, but clear, chattering sounds lasting 1.5 seconds, repeated approximately every 3 seconds. | ||
==References== | ==References== | ||
#{{Ref-Clements6thAug15}}#Handbook of the Birds of the World Alive (retrieved January 2016) | #{{Ref-Clements6thAug15}}#Handbook of the Birds of the World Alive (retrieved January 2016) | ||
Latest revision as of 00:17, 25 June 2023
Alternative Name: White rumped Triller; Sulawesi Triller
- Lalage leucopygialis
Identification
19 cm, 7.5 inches
Male
- Dark grey to black forehead, crown to mantle and scapulars with greenish iridescence
- Broad white supercilium
- Blackish lores and eye-stripe
- White eyelids and remainder of side of head
- Pale grey lower back to uppertail coverts changing to white on rump
- Glossy blue-black alula and lesser upperwing coverts
- Blackish greater and median coverts with broad white margins
- Black primary coverts
- Black remiges with narrow white tips to primaries
- Black secondaries and tertials with white margins
- Blackish retrices, outer two have white tips
- Pure white throat and underparts
- Very small dark bars on foreneck and throat
- Grey thighs
- Dark brown iris
- Black beakeak and legs
Female
- Black crown
- Paler and much greyer underparts
- white edges and tips of upperwing coverts
- Less prominent remiges than male
- Underparts have a yellowish brown wash with narrow dark scales
Juvenile
- Similar to female
- Reddish brown tinge to supercilium
- Rust coloured feather tips on underparts
- Brown retrices with white tips
- Off white underparts
- Dark bars on flanks
- Immature undescribed
Similar Species
Differs from Pied Triller in that it has a white rump instread of pale grey.
Distribution
Sulawesi including islands of Manadotua, Bangka, Muna, Buton and Banggai and Sula Islands (Taliabu, Sanana). Indonesia.
Taxonomy
Habitat
Forest edge, heavily disturbed and secondary forest, open woodland, farmland, gardens, lightly wooded cultivation and mangroves. Up to 1000 m.
Behaviour
Diet
Diet not recorded. Thought to be similar to that of Pied Triller. Occurs singly, in pairs or in small groups.
Forages in crown and middle storey of large and small trees and near to the ground in mangroves.
Breeding
Breeding occurs in May.
Nest is a tight open cup, not fully described but thought to be similar to that of Pied Triller One recorded on horizontal branch 18 m above ground.
Vocalisation
An increasingly loud series of quick, harsh, but clear, chattering sounds lasting 1.5 seconds, repeated approximately every 3 seconds.
References
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2015. The eBird/Clements checklist of birds of the world: v2015, with updates to August 2015. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- Handbook of the Birds of the World Alive (retrieved January 2016)
Recommended Citation
- BirdForum Opus contributors. (2024) White-rumped Triller. In: BirdForum, the forum for wild birds and birding. Retrieved 10 November 2024 from https://www.birdforum.net/opus/White-rumped_Triller
