Uropsila leucogastra
Silhouette: Matt Wilkins · PhyloPic
In 3 days ~20% in a week ~50%
The white-bellied wren (Uropsila leucogastra) is a species of bird in the family Troglodytidae. It is found in Belize, Guatemala, Honduras, and Mexico. The white-bellied wren is the only member of genus Uropsila, but its taxonomy at the subspecies level is uncertain. Cornell qualifies their additions by noting that australis "may be separable" and that grisescens is "doubtfully valid" because it was based on soot-discolored specimens.
The white-bellied wren is 9.5 to 10 cm (3.7 to 3.9 in) long. Males weigh 9.8 to 10.5 g (0.35 to 0.37 oz) and females 8 to 9.1 g (0.28 to 0.32 oz). The nominate subspecies has a medium brown crown, upperparts, and tail; the rump is slightly reddish and the tail has many thin... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Calakmul Biosphere Reserve | 🇲🇽 Mexico | |
| 2 | Tikal National Park | 🇬🇹 Guatemala | |
| 3 | Montes Azules Biosphere Reserve | 🇲🇽 Mexico | |
| 4 | Biotopo Cerro Cahuí | 🇬🇹 Guatemala | |
| 5 | Sian Ka'an Biosphere Reserve | 🇲🇽 Mexico | |
| 6 | Celestún Biosphere Reserve | 🇲🇽 Mexico |
With luck
About 10% of wildlife watchers report a White-bellied Wren sighting in Biotopo Cerro Cahuí on a given day, based on 27 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 97th most-seen of the 191 birds we can rate there. Over three days the chance rises to about 20%, and over a week to about 50%, if each day is a fresh chance.
August
In that month about 30% of wildlife watchers report a White-bellied Wren in Biotopo Cerro Cahuí on a given day, against under 5% in February–March, September and November, the lowest months. That is one of Biotopo Cerro Cahuí's wettest months, with about 170 mm of rain against 25 mm in March.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most White-bellied Wren sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
4th of 6
Of the 6 parks where we can rate White-bellied Wren sightings, Biotopo Cerro Cahuí ranks 4th at about 10%. The best odds are in Calakmul Biosphere Reserve (Mexico, about 30%), Tikal National Park (Guatemala, about 30%) and Montes Azules Biosphere Reserve (Mexico, about 10%).
Same family: Troglodytidae
The closest relatives of the White-bellied Wren that you can see in Biotopo Cerro Cahuí (family Troglodytidae, Wrens) are Spot-breasted Wren (about 20%), White-breasted Wood-Wren (about 10%) and Southern House Wren (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the White-bellied Wren is recorded against all the birds logged in Biotopo Cerro Cahuí (27 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.
