Two-barred Warbler
Two-barred WarblerTwo-barred WarblerTwo-barred WarblerTwo-barred Warbler

Two-barred Warbler

Phylloscopus plumbeitarsus

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
5–10% · Rare
overall probability at Ba Be National Park
10 Verified records at Ba Be National Park
October Best month highest sighting rate
🌅 Crepuscular When it's active at dawn and dusk

The two-barred warbler (Phylloscopus plumbeitarsus) is a bird of the leaf warbler family (Phylloscopidae). The species was first described by Robert Swinhoe in 1861. It was formerly included in the "Old World warbler" assemblage. It is closely related to the greenish warbler, to which it was formerly considered conspecific. It is found in northern Mongolia, Manchuria and southern Siberia. They are a migratory species. Wikipedia →

5–10% of wildlife watchers report a Two-barred Warbler sighting in Ba Be National Park, based on 10 days of visitor records from GBIF citizen-science data.

Closest Relatives at Ba Be National Park

Kloss's Leaf-Warbler
LC

Kloss's Leaf-Warbler

🌅 Crepuscular Bird

Phylloscopus ogilviegranti

30–40% · Possible
Yellow-browed Warbler
LC

Yellow-browed Warbler

🌅 Crepuscular Bird

Phylloscopus inornatus

30–40% · Possible
Blyth's Leaf-Warbler
LC

Blyth's Leaf-Warbler

🌅 Crepuscular Bird

Phylloscopus reguloides

20–30% · Possible
Ashy-throated Warbler
LC

Ashy-throated Warbler

🌅 Crepuscular Bird

Phylloscopus maculipennis

5–10% · With luck
Eastern Crowned-Warbler
LC

Eastern Crowned-Warbler

🌅 Crepuscular Bird

Phylloscopus coronatus

Insufficient data
White-spectacled Warbler

White-spectacled Warbler

🌅 Crepuscular Bird

Seicercus affinis

20–30% · Possible
Chestnut-crowned Warbler

Chestnut-crowned Warbler

🌅 Crepuscular Bird

Seicercus castaniceps

20–30% · Possible
Gray-cheeked Warbler

Gray-cheeked Warbler

🌅 Crepuscular Bird

Seicercus poliogenys

10–20% · With luck
Alström's Warbler

Alström's Warbler

Bird

Seicercus soror

Insufficient data
Mountain Fulvetta
LC

Mountain Fulvetta

🌅 Crepuscular Bird

Alcippe peracensis

60–70% · Likely
Large Niltava
LC

Large Niltava

🌅 Crepuscular Bird

Niltava grandis

50–60% · Likely
Chestnut-vented Nuthatch
LC

Chestnut-vented Nuthatch

🌅 Crepuscular Bird

Sitta nagaensis

50–60% · Likely

📅 Monthly Probability

5–10
Jan
<5
Feb
<5
Mar
<5
Apr
10–20
May
<5
Jun
<5
Jul
<5
Aug
<5
Sep
10–20
Oct
10–20
Nov
<5
Dec

🌅 When They're Spotted

Most active at dawn and dusk · across all parks (global)

🌅Crepuscular
☀️🌙🌙12am6am12pm6pm12am

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Probability
1 Khao Yai National Park 🇹🇭 Thailand
20–30%
2 Kaeng Krachan National Park 🇹🇭 Thailand
10–20%
3 Cat Tien National Park 🇻🇳 Vietnam
5–10%
4 Doi Inthanon National Park 🇹🇭 Thailand
5–10%
5 Ba Be National Park 🇻🇳 Vietnam
5–10%
6 Gobi Gurvansaikhan National Park 🇲🇳 Mongolia
<5%
7 Khao Luang National Park 🇹🇭 Thailand
<5%
8 Khao Sok National Park 🇹🇭 Thailand
<5%
9 Wadden Sea National Park 🇩🇪 Germany
Insufficient data

Quick answers

What are the chances of seeing a Two-barred Warbler in Ba Be National Park?

About 5% of wildlife watchers report a Two-barred Warbler sighting in Ba Be National Park, based on 10 days of visitor records from GBIF citizen-science data.

When is the best time to see Two-barred Warbler in Ba Be National Park?

October has the highest sighting rate for Two-barred Warbler in Ba Be National Park in our monthly data.

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