Ijima's Leaf Warbler

Phylloscopus ijimae (Stejneger, 1892)

10–12 cmLength8.7 gWeight

This small leaf warbler has a long white or pale yellowish-white supercilium, a blackish eyestripe and a yellowish lower mandible.

Busiest months: April · Most records: China, Japan

Looks like Eastern Crowned Warbler

Vulnerable

How to identify

Field marks

Long white or pale yellowish-white supercilium; blackish eyestripe
Gray-green crown and nape; no median crown-stripe
Bright olive back; gray flanks; white belly
Slightly long bill; lower mandible entirely yellow

Male, female and young

Sexes alike in color.

Voice

Vocalizations include “swss, swss, swss” and “swee-swee-swee-swee-swee”, as well as a soft “se-chui”.

Similar species

Eastern Crowned Warbler

Similar in appearance; Ijima's Leaf Warbler lacks a median crown-stripe and has paler yellow undertail-coverts.

Where and when it's recorded

Busiest months: April · Most records: China, Japan

Ijima's Leaf Warbler has been recorded at 9 of the 8,276 birding hotspots we track, in 2 countries and regions.

Records by month Northern Hemisphere

To protect this bird from disturbance, we don't list exact sites.

Countries and regions with the most records

China Japan

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

Ijima's leaf warbler (Phylloscopus ijimae) (also known as Izu leaf warbler, Ijima's willow warbler or Ijima's warbler) is a species of Old World warbler in the family Phylloscopidae. The species is native to Japan, where it has been designated a Natural Monument under the 1950 Law for the Protection of Cultural Properties, with records also from Taiwan (China) and the Philippines.

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

Questions

How big is the Ijima's Leaf Warbler?

The Ijima's Leaf Warbler is about 10–12 cm long and weighs around 8.7 g.

Where does the Ijima's Leaf Warbler live?

Its breeding range: Palearctic: Izu Islands (southeast of Honshu, eastern Japan) and Nakanoshima, Tokara Islands (far northern Ryukyu Islands, southern Japan). It is most often recorded in China and Japan.