Ixothraupis xanthogastra
Silhouette: Sheatherius · PhyloPic
In 3 days <5% in a week ~10%
The yellow-bellied tanager (Ixothraupis xanthogastra) is a species of bird in the family Thraupidae. It is across northern and western South America, being found from Venezuela east into Colombia, Ecuador, and Peru, south into Brazil and Bolivia, and east into Guyana. It mostly inhabits lowland tropical forests, woodland edges, and secondary growth. It is, on average, it is 11–12.2 cm (4.3–4.8 in) long and weighs 14.1–17.9 g (0.5–0.6 oz). It is largely green with a pattern of black spots, with a clean yellow belly and unspotted flanks. It is classified as being of least concern by the IUCN.
The yellow-bellied tanager was formally described by the English ornithologist Philip Sclater in 1851 as Calliste xanthogastra based on specimens from the Rio Negro of Peru. The specific epithet is derived from the Greek words meaning "yellow-bellied". The species was formerly placed in the genus Tangara.
The yellow-bellied tanager has two recognized subspecies: Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Podocarpus National Park | 🇪🇨 Ecuador | |
| 2 | Manu National Park | 🇵🇪 Peru | |
| 3 | Sierra de la Macarena National Park | 🇨🇴 Colombia | |
| 4 | Yasuní National Park | 🇪🇨 Ecuador | |
| 5 | Tambopata National Reserve | 🇵🇪 Peru |
Rare
Under 5% of wildlife watchers report a Yellow-bellied Tanager sighting in Tambopata National Reserve on a given day, based on 33 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 422nd most-seen of the 550 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.
February
In that month about 10% of wildlife watchers report a Yellow-bellied Tanager in Tambopata National Reserve on a given day, against under 5% in March to January, the lowest months. That is one of Tambopata National Reserve's wettest months, with about 420 mm of rain against 45 mm in July.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Yellow-bellied Tanager sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
5th of 5
Of the 5 parks where we can rate Yellow-bellied Tanager sightings, Tambopata National Reserve ranks 5th at under 5%. The best odds are in Podocarpus National Park (Ecuador, about 10%), Manu National Park (Peru, about 10%) and Sierra de la Macarena National Park (Colombia, under 5%).
Same family: Thraupidae
The closest relatives of the Yellow-bellied Tanager that you can see in Tambopata National Reserve (family Thraupidae, Tanagers and Allies) are Silver-beaked Tanager (about 40%), Blue-gray Tanager (about 20%) and Palm Tanager (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Yellow-bellied Tanager is recorded against all the birds logged in Tambopata National Reserve (33 verified sightings from 2019 to 2026), 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.
