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- Lalage leucoptera
Identification
18–19 cm, 7.1-7.5 inches, 31.5 g.
Male
- Black head from upper ear coverts upwards
- Black upperparts with blue-green iridescence
- Pure white lower ear coverts, cheeks, neck side, throat and underparts
- Pure white axillaries and underwing coverts
- White rump
- Uppertail coverts with black and white barring
- Black upperwing coverts
- Black median and greater coverts with broad white tips
- Black innermost greater coverts with white margins
- Black alula, primary coverts and remiges
- Black tertials with broad white edges
- Black rectrices black, with greenish edges, outers with white tips
- Dark brown iris
- Black beak
- Dark grey legs
Female
- Female is similar to male, but duller
- Upperparts dark grey to black, with less shine
- Chin and throat white
Juvenile
- Juvenile is undescribed
- Immature like female
Similar species
Black-browed Triller has less white in wings and females have barred underside.
Distribution
Biak Island (northern New Guinea)
Taxonomy
Biak Triller was formerly included in Black-browed Triller.
Subspecies
This is a monotypic species[1].
Habitat
Behaviour
Vocalisation
References
- Clements, J. F., P. C. Rasmussen, T. S. Schulenberg, M. J. Iliff, T. A. Fredericks, J. A. Gerbracht, D. Lepage, A. Spencer, S. M. Billerman, B. L. Sullivan, M. Smith, and C. L. Wood. 2024. The eBird/Clements checklist of Birds of the World: v2024. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/
- Gill, F, D Donsker, and P Rasmussen (Eds). 2024. IOC World Bird List (v 15.1). Doi 10.14344/IOC.ML.15.1. http://www.worldbirdnames.org/
Recommended Citation
- BirdForum Opus contributors. (2025) Biak Triller. In: BirdForum, the forum for wild birds and birding. Retrieved 11 May 2025 from https://www.birdforum.net/opus/Biak_Triller
External Links
GSearch checked for 2020 platform.1
