Grey-crowned crocias

Grey-crowned crocias
Conservation status
	; Endangered (IUCN 3.1)[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Dinosauria
Class:	Aves
Order:	Passeriformes
Family:	Leiothrichidae
Genus:	Laniellus
Species:	L. langbianis
Binomial name
	Laniellus langbianis; (Gyldenstolpe, 1939)

The grey-crowned crocias (Laniellus langbianis) is a passerine bird in the family Leiothrichidae. It is endemic to Vietnam, where it has a highly restricted distribution in the Da Lat Plateau. It has also been observed, and independently surveyed in 2015, in Central Vietnam on the Kontum Plateau, where it may be more abundant. Its natural habitat is intact broadleaf evergreen forest and secondary forest, generally near watercourses, between 910–1450 m above sea-level.

This species was formerly placed in the genus Crocias but under the rules of the International Code of Zoological Nomenclature Laniellus Swainson, 1832 has priority over Crocias Temminck, 1836.[2][3][4]

It is threatened by habitat loss, although the species is elusive and easily overlooked, so much so that it was previously considered critically endangered.

References

BirdLife International (2017). "Laniellus langbianis". IUCN Red List of Threatened Species. 2017: e.T22716690A111108713. doi:10.2305/IUCN.UK.2017-1.RLTS.T22716690A111108713.en. Retrieved 13 November 2021.
Gregory, S.M.S.; Dickinson, E. (2012). "An assessment of three little‐noticed papers on avian nomenclature by G.N. Kashin during 1978‐1982". Zootaxa. 3340: 44–58 [51]. doi:10.11646/zootaxa.3340.1.3.
Dickinson, E.C.; Christidis, L., eds. (2014). The Howard & Moore Complete Checklist of the Birds of the World. Vol. 2: Passerines (4th ed.). Eastbourne, UK: Aves Press. p. 548. ISBN 978-0-9568611-2-2.
Gill, Frank; Donsker, David, eds. (2019). "Laughingthrushes and allies". World Bird List Version 9.1. International Ornithologists' Union. Retrieved 16 January 2019.

Collar, N. J. & Robson, C. 2007. Family Timaliidae (Babblers) pp. 70 – 291 in; del Hoyo, J., Elliott, A. & Christie, D.A. eds. Handbook of the Birds of the World, Vol. 12. Picathartes to Tits and Chickadees. Lynx Edicions, Barcelona.

http://datazone.birdlife.org/species/factsheet/grey-crowned-crocias-laniellus-langbianis/text

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[iucn_status_13_November_2021-1] BirdLife International (2017). "Laniellus langbianis". IUCN Red List of Threatened Species. 2017: e.T22716690A111108713. doi:10.2305/IUCN.UK.2017-1.RLTS.T22716690A111108713.en. Retrieved 13 November 2021.

[2] Gregory, S.M.S.; Dickinson, E. (2012). "An assessment of three little‐noticed papers on avian nomenclature by G.N. Kashin during 1978‐1982". Zootaxa. 3340: 44–58 [51]. doi:10.11646/zootaxa.3340.1.3.

[3] Dickinson, E.C.; Christidis, L., eds. (2014). The Howard & Moore Complete Checklist of the Birds of the World. Vol. 2: Passerines (4th ed.). Eastbourne, UK: Aves Press. p. 548. ISBN 978-0-9568611-2-2.

[ioc-4] Gill, Frank; Donsker, David, eds. (2019). "Laughingthrushes and allies". World Bird List Version 9.1. International Ornithologists' Union. Retrieved 16 January 2019.