Urosphena squameiceps
Silhouette: Sheatherius · PhyloPic
In 3 days ~20% in a week ~30%
The Asian stubtail (Urosphena squameiceps) is a bird in the family Cettiidae. The species was first described by Robert Swinhoe in 1863. It breeds in Northeast Asia and Japan. Its natural habitat is temperate forest. It is a small bird with a short tail. Males and females are similar in color, as well as juveniles after fledging; they are brown all over with a paler underpart and a darker brown crest and eyeline.
Breeding Asian stubtails reside in portions of northeastern Asia; non-breeding areas include Hainan Taiwan, southeastern China and Indochina, preferring a habitat of undergrowth in evergreen broadleaf or lowland coniferous forest.
Breeding males produce a high-pitched shee-shee-shee-shee or cee-cee-cee, while both males and females make a call similar to chott-chott-chott. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cuc Phuong National Park | 🇻🇳 Vietnam | |
| 2 | Nikko National Park | 🇯🇵 Japan | |
| 3 | Doi Inthanon National Park | 🇹🇭 Thailand | |
| 4 | Khao Yai National Park | 🇹🇭 Thailand | |
| 5 | Kaeng Krachan National Park | 🇹🇭 Thailand |
With luck
About 10% of wildlife watchers report an Asian Stubtail sighting in Busan on a given day, based on 10 verified sightings from GBIF citizen-science data. It is the 69th most-seen of the 112 birds we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.
April
In that month about 20% of wildlife watchers report an Asian Stubtail in Busan on a given day, against under 5% in June to March, the lowest months.
Between 1 and 4 am
Across all the parks we cover, that three-hour window holds the most Asian Stubtail 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.
Among the best
Of the 12 cities where we can rate Asian Stubtail sightings, Busan ranks 3rd at about 10%, level with the leaders once rounded. The best odds are in Sendai (Japan, about 10%) and Sapporo (Japan, about 10%).
GBIF citizen-science records
It is estimated from how often the Asian Stubtail is recorded against all the birds logged in Busan (10 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.
