Uropsila leucogastra
Silhouette: Matt Wilkins · PhyloPic
In 3 days ~70% in a week ~90%
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 |
Possible
About 30% of wildlife watchers report a White-bellied Wren sighting in Calakmul Biosphere Reserve on a given day, based on 244 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 33rd most-seen of the 271 birds we can rate there. Over three days the chance rises to about 70%, and over a week to about 90%, if each day is a fresh chance.
July
In that month about 70% of wildlife watchers report a White-bellied Wren in Calakmul Biosphere Reserve on a given day, against about 20% in April–May and November, the lowest months.
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.
Yes
Of the 6 parks where we can rate White-bellied Wren sightings, Calakmul Biosphere Reserve has the highest daily chance: about 30%. Next come 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 Calakmul Biosphere Reserve (family Troglodytidae, Wrens) are Spot-breasted Wren (about 40%), Carolina Wren (about 20%) and White-breasted Wood-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 Calakmul Biosphere Reserve (244 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.
