Gelochelidon
{{Short description|Genus of birds}}
{{Automatic taxobox
| image = Australian Tern (Gelochelidon macrotarsa), Brisbane, Australia.jpg
| image_caption = Australian tern (Gelochelidon macrotarsa)
| taxon = Gelochelidon
| authority = Brehm, CL, 1830
| type_species = Gelochelidon meridionalis{{cite web |url= https://www.aviansystematics.org/4th-edition-checklist?viewfamilies=61 |title= Laridae |author= |date= |website= aviansystematics.org |publisher= The Trust for Avian Systematics |access-date= 2023-07-26}} = Sterna nilotica
| type_species_authority = Brehm, 1830
| subdivision_ranks = Species
| subdivision = See text
}}
Gelochelidon is a genus of terns. It was considered a monotypic genus until the Australian tern was split from the gull-billed tern.
Taxonomy
The genus Gelochelidon was introduced in 1830 by the German zoologist Alfred Brehm.{{cite journal | last=Brehm | first=Alfred | author-link=Alfred Brehm | year=1830 | title=Beschluss der Uebersicht der deutschen Vögel | journal=Isis von Oken | volume=23 | at=cols 985–1013 [994] | language=German, Latin | url=https://www.biodiversitylibrary.org/page/27508416 }} The type species is the gull-billed tern.{{ cite book | editor-last=Peters | editor-first=James Lee | editor-link=James L. Peters | year=1934 | title=Check-List of Birds of the World | volume=2 | publisher=Harvard University Press | location=Cambridge, Massachusetts | page=329 | url=https://www.biodiversitylibrary.org/page/14483142 }} The name combines the Ancient Greek gelaō meaning "to laugh" with khelidōn meaning "swallow".{{cite book | last=Jobling | first=James A. | year=2010| title=The Helm Dictionary of Scientific Bird Names | publisher=Christopher Helm | location=London | isbn=978-1-4081-2501-4 | page=171 | url=https://archive.org/stream/Helm_Dictionary_of_Scientific_Bird_Names_by_James_A._Jobling#page/n171/mode/1up }}
{{Species table |genus=Gelochelidon |authority-name=Brehm, CL|authority-year=1830 |species-count=two|no-note=y|narrow-percent=75}}
{{Species table/row
|name=Gull-billed tern|binomial=Gelochelidon nilotica
|image=File:Gull-billed Tern in Koonthalulam, India, by Dr. Tejinder Singh Rawal.jpg|image-size=180px |image-alt=
|authority-name=Gmelin, JF|authority-year= 1789|authority-not-original=yes
|range= southern Europe, temperate and eastern Asia, both coasts of North America, eastern South America.
|range-image=File:Gelochelidon nilotica map.svg
|range-image-size=180px
|size=
|habitat=
|hunting=
|iucn-status= LC
|population=
|direction=
|subspecies={{Collapsible list |expand=yes |title=Five subspecies |bullets=on
| G. n. nilotica (Gmelin, 1789)
| G. n. affinis (Horsfield, 1821)
| G. n. aranea (Wilson, 1814)
| G. n. gronvoldi Mathews, 1912
}}
}}
{{Species table/row
|name=Australian tern|binomial=Gelochelidon macrotarsa
|image=File:Gelochelidon macrotarsa, Karratha Western Australia 1.jpg|image-size=180px |image-alt=
|authority-name=Gould|authority-year= 1837|authority-not-original=yes
|range= Australia and New Guinea.
|range-image=
|range-image-size=180px
|size=
|habitat=
|hunting=
|iucn-status= LC
|population=
|direction=
|subspecies=
}}
{{Species table/end}}
References
{{Reflist}}
{{Gulls}}
{{Charadriiformes|L.|state=collapsed}}
{{Taxonbar|from=Q11840576}}
{{Authority control}}