Bianchi's Warbler - BirdForum Opus

Photo by James Eaton
Jiuzhaigou,Sichuan,China, May 2005

Phylloscopus valentini

Seicercus valentini

Identification

Just over 10 centimeters/ 4 inches
Pale gray stripe top of head
Black shaded stripe on side of head
Noticeable yellow ring around eye
Mandible dark on top, pale orange on bottom
Legs a muted shade of pink
Male & Female plumage looks nearly the same
Female usually smaller
Juvenile's stripe on top of head all green
Juvenile more muted yellow underneath than adult

Distribution

This species has been spotted in China, Indochina, Asia, Southeast Asia, Myanmar, Laos, Thailand, and Vietnam.

Wintering to the south including, for example, Thailand.

Taxonomy

This is a polytypic species^[1] consisting of 2 subspecies:

This is one of six species that used to be considered one under the name of Golden-spectacled Warbler. After the split, the other five are Green-crowned Warbler, Grey-crowned Warbler, Alström's Warbler, Whistler's Warbler, and Martens's Warbler.

Subspecies

P. v. valentini:

Central and south-western China; winters to southern Yunnan, north-western Thailand and northern Laos

P. v. latouchei:

Central and eastern China

Habitat

When breeding, they tend toward thick growth closer to the ground in deciduous and evergreen leafy trees and conifer areas in temperate areas. The altitudes they are found depend on the location and breeding or non-breeding season.

Behaviour

Specific behavior information not available at the moment.

Diet

While no studies of their diet are available, it is believed to be insects they find, after limited flights, in the upper level of the trees they inhabit.

Vocalisation

Call

Song

Recordings by china guy, Sichuan, China, August 2011

References

Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, J. A. Gerbracht, D. Lepage, B. L. Sullivan, and C. L. Wood. 2021. The eBird/Clements checklist of Birds of the World: v2021. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/
Alström, P. (2020). Bianchi's Warbler (Phylloscopus valentini), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.biawar1.01
Lepage D. (2021) [Avibase - https://avibase.ca/6A26566D]. Retrieved 29 September 2021

List of references

Recommended Citation

BirdForum Opus contributors. (2025) Bianchi's Warbler. In: BirdForum, the forum for wild birds and birding. Retrieved 19 March 2025 from https://www.birdforum.net/opus/Bianchi%27s_Warbler

External Links

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