Bianchi's Warbler (Phylloscopus valentini)
Illustration redrawn by AI from a real photograph

Bianchi's Warbler

Phylloscopus valentini (Hartert, EJO, 1907)

≈11 cmLength7.3 gWeight

This migrant inhabits forest with densely growing tall trees and feeds mainly on terrestrial invertebrates.

Busiest months: May · Most records: China, Thailand, Vietnam

Least Concern

How to identify

Where and when it's recorded

Bianchi's Warbler has been recorded at 201 of the 8,171 birding hotspots we track, in 4 countries and regions.

Records by month Northern Hemisphere

Where it's recorded most

  1. Wawu Mountain – Summit [2800m]China186 records
  2. Doi Pha Hom Pok NP – Doi Lang (W), AKA Doi San JuThailand145 records
  3. Labahe NNRChina110 records
More places
  1. Cuc Phuong NPVietnam108 records
  2. Wawu Mountain [General Area]China104 records
  3. Sichuan University - Wangjiang CampusChina75 records
  4. Doi Pha Hom Pok NP – Doi AngkhangThailand72 records
  5. Tam Dao NPVietnam70 records
  6. Longcanggou [General Area]China69 records
  7. Balang Shan [General Area]China59 records

Countries and regions with the most records

ChinaThailandVietnamMyanmar (Burma)

eBird records via GBIF up to 2024-12-31. A record means someone listed it; more records partly mean more birders, not more birds.

About

Bianchi's warbler (Phylloscopus valentini) is a species of leaf warbler (family Phylloscopidae). It was formerly included in the "Old World warbler" assemblage.

Excerpt from Wikipedia, CC BY-SA 4.0 · authors · Read more on Wikipedia

Questions

How big is the Bianchi's Warbler?

The Bianchi's Warbler is about ≈11 cm long and weighs around 7.3 g.

Where does the Bianchi's Warbler live?

Its breeding range: Palearctic: central, southeastern China, northern Vietnam. It is most often recorded in China, Thailand and Vietnam.

When is the best time to see the Bianchi's Warbler?

At the hotspots we track, it is recorded most in May (Northern Hemisphere).

Is the Bianchi's Warbler endangered?

The IUCN Red List classifies the Bianchi's Warbler as Least Concern.

What does the Bianchi's Warbler eat?

Main food: Insects & other invertebrates.

What family is the Bianchi's Warbler in?

It belongs to the family Leaf Warblers (Phylloscopidae), order Passerines (Passeriformes).

At a glance

Length
≈11 cm
Weight
7.3 g
Habitat
Forest
Diet
Insects & other invertebrates
Lifestyle
Perches in trees
Migration
Migratory
Conservation
Least Concern
More measurements
Wing
55 mm
Tail
46 mm
Bill
12 mm
Tarsus
17 mm

Averages from the AVONET dataset; length from field guides where available.

Range

Palearctic: central, southeastern China, northern Vietnam

Breeding range, IOC World Bird List 15.2

Subspecies · 2
  • Phylloscopus valentini valentini c China
  • Phylloscopus valentini latouchei se China and n Vietnam

Classification

Order
Passerines Passeriformes
Family
Leaf Warblers Phylloscopidae
Genus
Phylloscopus

Other birds in the genus Phylloscopus

Wood WarblerWood WarblerPhylloscopus sibilatrixWestern Bonelli's WarblerWestern Bonelli's WarblerPhylloscopus bonelliEastern Bonelli's WarblerEastern Bonelli's WarblerPhylloscopus orientalisBuff-barred WarblerBuff-barred WarblerPhylloscopus pulcherAshy-throated WarblerAshy-throated WarblerPhylloscopus maculipennisHume's Leaf WarblerHume's Leaf WarblerPhylloscopus humeiYellow-browed WarblerYellow-browed WarblerPhylloscopus inornatusBrooks's Leaf WarblerBrooks's Leaf WarblerPhylloscopus subviridisChinese Leaf WarblerChinese Leaf WarblerPhylloscopus yunnanensisLemon-rumped WarblerLemon-rumped WarblerPhylloscopus chloronotusSichuan Leaf WarblerSichuan Leaf WarblerPhylloscopus forrestiGansu Leaf WarblerGansu Leaf WarblerPhylloscopus kansuensis
Bianchi's Warbler

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Free to use with credit: “Illustration: Bird Album (birdalbum.com)”. Drawn by AI from a reference photo by Supotch Pakaworawuth. ↗

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