Biak triller

{{Short description|Species of bird}}

{{Use dmy dates|date=April 2024}}

{{Speciesbox

| name = Biak triller

| image =

| status = NT

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=BirdLife International |date=2017 |title=Lalage leucoptera |volume=2017 |page=e.T103702845A112237056 |doi=10.2305/IUCN.UK.2017-1.RLTS.T103702845A112237056.en |access-date=19 November 2021}}

| genus = Lalage

| species = leucoptera

| authority = (Schlegel, 1871)

| synonyms =

}}

The Biak triller (Lalage leucoptera) is a species of bird in the family Campephagidae. It is found on Biak. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical mangrove forests. It was formerly considered a subspecies of the black-browed triller (Lalage atrovirens), but was split as a distinct species by the IOC in 2021.{{Cite web|title=Species Updates – IOC World Bird List|url=https://www.worldbirdnames.org/new/updates/species-updates/|access-date=13 June 2021|language=en-US}}