Forest bittern

{{Short description|Species of bird}}

{{speciesbox

| name = Forest bittern

| image = Naturalis Biodiversity Center - ZMA.AVES.5154 - Zonerodius heliosylus Lesson, 1828 - Ardeidae - skin specimen.jpeg

| status = NT

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=BirdLife International |date=2017 |title=Zonerodius heliosylus |volume=2017 |page=e.T22697274A117210228 |doi=10.2305/IUCN.UK.2017-3.RLTS.T22697274A117210228.en |access-date=12 November 2021}}

| genus = Zonerodius

| parent_authority = Salvadori, 1882

| species = heliosylus

| authority = (Lesson & Garnot, 1828)

| display_parents = 2

| range_map = Zonerodius heliosylus map.svg

}}

The forest bittern (Zonerodius heliosylus) is a bird indigenous to New Guinea. It is the only member of the genus Zonerodius and is also known as the New Guinea tiger heron.