Black-browed bushtit
| Black-browed bushtit | |
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| Lithograph based on a drawing by Émile Oustalet, 1892 | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Aegithalidae |
| Genus: | Aegithalos |
| Species: | A. bonvaloti
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| Binomial name | |
| Aegithalos bonvaloti (Oustalet, 1892)
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The black-browed bushtit or black-browed tit (Aegithalos bonvaloti) is a species of bird in the family Aegithalidae. It is found in mid-southern China and sporadically in Myanmar. Its natural habitats are boreal forests and temperate forests. It was formerly considered to be conspecific with the rufous-fronted tit (A. iouschistos) of the central and eastern Himalayas but is now often regarded as a separate species. Sometimes the subspecies A. b. sharpei (Burmese tit) of western Burma is also treated as a species.
Taxonomy
[edit]The black-browed bushtit was formally described and illustrated in 1892 by the French zoologist Émile Oustalet based on a specimen collected by the French explorer, Gabriel Bonvalot, and his companions near Kangding in the province of Sichuan of southwest China. Oustalet coined the binomial name Acredula bonvaloti.[2][3] The black-browed bushtit is now one of nine species placed in the genus Aegithalos that was introduced in 1804 by the French naturalist Johann Hermann.[4] The genus name was a term used by Aristotle for three European tits: the long-tailed tit, the great tit, and the Eurasian blue tit.[5] The specific epithet bonvaloti was chosen to honour the collector.[6] This species was formerly considered as conspecific with the rufous-fronted bushtit (Aegithalos iouschistos).[3]
Three subspecies are recognised:[4]
- A. b. bonvaloti (Oustalet, 1892) – southwest, central south China, northeast Myanmar
- A. b. obscuratus (Mayr, 1940) – central China
- A. b. sharpei (Rippon, 1904) – southwest Myanmar (Burmese bushtit)
The subspecies A. b. sharpei has sometimes been treated as a separate species, the Burmese bushtit.[4]
Description
[edit]It is a small, long-tailed bird, 11–12 centimetres (4.3–4.7 in) long. It has grey upperparts, rufous breast and flanks and a white belly. The head is buff with a broad black mask, white forehead and a white bib, speckled black in the centre. The subspecies A. b. sharpei has white rather than buff on the head, a dark breastband and a buff belly.
References
[edit]
- ^ BirdLife International. (2024). "Aegithalos bonvaloti". IUCN Red List of Threatened Species. 2024: e.T22736055A264196896. doi:10.2305/IUCN.UK.2024-2.RLTS.T22736055A264196896.en. Retrieved 19 February 2025.
- ^ Oustalet, Émile (1891). "Contributions à la faune de la Chine et du Tibet". Annales des sciences naturelles. Zoologie. 7th series (in French). 12 (published 1892): 271-318 [286, Plate 9 fig. 1]. Dickinson, E.C.; Overstreet, L.K.; Dowsett, R.J.; Bruce, M.D. (2011). Priority! The Dating of Scientific Names in Ornithology: a Directory to the literature and its reviewers. Northampton, UK: Aves Press. p. 172. ISBN 978-0-9568611-1-5.
- ^ a b Paynter, Raymond A. Jr, ed. (1986). Check-List of Birds of the World. Vol. 12. Cambridge, Massachusetts: Museum of Comparative Zoology. p. 58.
- ^ a b c Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (February 2025). "Bushtits, leaf warblers, reed warblers". IOC World Bird List Version 15.1. International Ornithologists' Union. Retrieved 6 March 2025.
- ^ Jobling, James A. "Aegithalos". The Key to Scientific Names. Cornell Lab of Ornithology. Retrieved 6 March 2025.
- ^ Jobling, James A. "bonvaloti". The Key to Scientific Names. Cornell Lab of Ornithology. Retrieved 6 March 2025.
- MacKinnon, John & Karen Phillipps (2000) A Field Guide to the Birds of China, Oxford University Press, Oxford
- Robson, Craig (2002) A Field Guide to the Birds of South-East Asia, New Holland Publishers (UK) Ltd., London
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