Editing Sunbittern (section)

{{Short description|Species of bittern-like bird}}
{{Use dmy dates|date=October 2020}}
{{Speciesbox
| name = Sunbittern
| fossil_range = {{fossil range|50|0|[[Early Eocene]] to present}}
| image = Sunbittern (Eurypyga helias).JPG
| image_caption = on [[Cristalino River]]<br />Southern Amazon, Brazil
| status = LC
| status_system = IUCN3.1
| status_ref = <ref name="iucn status 12 November 2021">{{cite iucn |author=BirdLife International |date=2020 |title=''Eurypyga helias'' |volume=2020 |page=e.T22691893A163625651 |doi=10.2305/IUCN.UK.2020-3.RLTS.T22691893A163625651.en |access-date=12 November 2021}}</ref>
| grandparent_authority = [[Prideaux John Selby|Selby]], 1840
| genus = Eurypyga
| parent_authority = [[Johann Karl Wilhelm Illiger|Illiger]], 1811
| species = helias
| authority = ([[Peter Simon Pallas|Pallas]], 1781)
| range_map = Sunbittern (Eurypyga helias) Area.svg
| range_map_caption = Sunbittern range
| synonyms = * ''Ardea helias'' <small>Pallas, 1781</small>
* ''Eurypyx helias''
| synonyms_ref = <ref name = GBIF>{{cite web | url = https://www.gbif.org/species/2474332 | title = ''Eurypyga helias'' (Pallas, 1781) | access-date = 17 December 2017 | publisher = GBIF—the Global Biodiversity Information Facility}}</ref>
}}

The '''sunbittern''' ('''''Eurypyga helias''''') is a [[bittern]]-like bird of tropical regions of the Americas, and the [[Monotypic taxon|sole member]] of the [[family (biology)|family]] '''Eurypygidae''' (sometimes spelled '''Eurypigidae''') and [[genus]] '''''Eurypyga'''''. It is found in Central and South America, and has three [[subspecies]]. The sunbittern shows both morphological and molecular similarities with the [[kagu]] (''Rhynochetos jubatus'') of [[New Caledonia]], indicating a [[Gondwana]]n origin, both species being placed in the [[clade]] [[Eurypygiformes]].<ref name="HBW3">del Hoyo, J. Elliott, A. & Sargatal, J. (editors). (1996) ''Handbook of the Birds of the World. Volume 3: Hoatzin to Auks''. Lynx Edicions. {{ISBN|84-87334-20-2}}</ref>