Phylloscopus reguloides
Silhouette: Margot Michaud · PhyloPic
In 3 days ~10%
Blyth's leaf warbler (Phylloscopus reguloides) is a species of leaf warbler (family Phylloscopidae). It was formerly included in the "Old World warbler" assemblage. It is found mainly in Southeast Asia, southern China and along the Himalayas till northern Pakistan. Its natural habitat is subtropical or tropical moist montane forests.
This bird was named after the English zoologist Edward Blyth. In regard to its birdsong complexity, which takes into account the number of distinct notes, Blyth leaf warbler's high complexity is a consequence of increased variation between song types. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Doi Inthanon National Park | 🇹🇭 Thailand | |
| 2 | Langtang National Park | 🇳🇵 Nepal | |
| 3 | Namdapha National Park | 🇮🇳 India | |
| 4 | Royal Manas National Park | 🇧🇹 Bhutan | |
| 5 | Manas National Park | 🇮🇳 India | |
| 6 | Kaziranga National Park | 🇮🇳 India | |
| 7 | Chitwan National Park | 🇳🇵 Nepal | |
| 8 | Jim Corbett National Park | 🇮🇳 India |
Rare
Under 5% of wildlife watchers report a Blyth's Leaf-Warbler sighting in Kathmandu on a given day, based on 98 verified sightings from GBIF citizen-science data. It is the 150th most-seen of the 312 birds we can rate there. Over three days the chance rises to about 10%, if each day is a fresh chance.
March and April
In those months about 10% of wildlife watchers report a Blyth's Leaf-Warbler in Kathmandu on a given day, against under 5% in May to February, the lowest months. Those are among Kathmandu's driest months, with about 30 mm of rain a month against 280 mm in July.
Between 3 and 6 am
Across all the parks we cover, that three-hour window holds the most Blyth's Leaf-Warbler sightings with a recorded time, and about 6 in 10 of them come between 6 pm and 6 am: it is most active around dawn and dusk.
Yes
Of the 4 cities where we can rate Blyth's Leaf-Warbler sightings, Kathmandu has the highest daily chance: under 5%. Next come Dehradun (India, under 5%) and Dhaka (Bangladesh, under 5%).
Same genus: Phylloscopus
The closest relatives of the Blyth's Leaf-Warbler that you can see in Kathmandu (genus Phylloscopus, Leaf Warblers) are Grey-hooded Warbler (about 20%), Hume's Warbler (about 20%) and Greenish Warbler (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Blyth's Leaf-Warbler is recorded against all the birds logged in Kathmandu (98 verified sightings), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
