Aegithina nigrolutea
Silhouette: Sheatherius · PhyloPic
In 3 days <5% in a week ~10%
Marshall's iora (Aegithina nigrolutea), also known as the white-tailed iora, is a songbird in the genus Aegithina found in parts of India and Sri Lanka. The status of the species has been debated, and has only since 2003 returned to widespread acceptance at its original rank as a full species. Earlier suggestions have been that it was a clinal variant of the common iora Aegithina tiphia.
The diagnostic features of the species are the short wing and tail; white edging to tertials converging broadly at the tip, versus tertial tips black to only narrowly white in A. tiphia and a smaller and shorter bill than A. tiphia from any part of India. The vocalizations are also different. The species is best known from northwestern India, however a few verified specimen records exist from southern India. It is now also known from Sri Lanka.
There are some races of the common iora that may appear similar to this species: Specimens showing nigrolutea characters collected within the range of Aegithina tiphia may be variants of the latter; such specimens have been obtained from southern Bihar, West Bengal, Khandesh, Tamil Nadu and Mysore. Two adult specimens collected... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Udawalawe National Park | 🇱🇰 Sri Lanka | |
| 2 | Yala National Park | 🇱🇰 Sri Lanka | |
| 3 | Ranthambore National Park | 🇮🇳 India |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Jaipur | 🇮🇳 India |
Rare
Under 5% of wildlife watchers report a White-tailed Iora sighting in Jaipur on a given day, based on 12 verified sightings from GBIF citizen-science data. It is the 164th most-seen of the 214 birds we can rate there. Over three days the chance rises to under 5%, and over a week to about 10%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a White-tailed Iora in Jaipur on a given day, so our monthly data shows no clear season.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most White-tailed Iora sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Only Jaipur, in our data
Jaipur is the only city on Wallace's Line with enough records to rate White-tailed Iora sightings: under 5% of wildlife watchers there report one on a given day.
GBIF citizen-science records
It is estimated from how often the White-tailed Iora is recorded against all the birds logged in Jaipur (12 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.
