Thessalia theona
In 3 days ~30% in a week ~60%
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Tikal National Park | 🇬🇹 Guatemala | |
| 2 | Masaya Volcano National Park | 🇳🇮 Nicaragua | |
| 3 | Ostional Wildlife Refuge | 🇨🇷 Costa Rica | |
| 4 | Biotopo Cerro Cahuí | 🇬🇹 Guatemala | |
| 5 | Cañón del Sumidero National Park | 🇲🇽 Mexico | |
| 6 | Las Baulas Marine National Park | 🇨🇷 Costa Rica | |
| 7 | Cabo Blanco Absolute Nature Reserve | 🇨🇷 Costa Rica | |
| 8 | Big Bend National Park | 🇺🇸 United States | |
| 9 | Calakmul Biosphere Reserve | 🇲🇽 Mexico | |
| 10 | Sian Ka'an Biosphere Reserve | 🇲🇽 Mexico | |
| 11 | Cumbres de Monterrey National Park | 🇲🇽 Mexico |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Managua | 🇳🇮 Nicaragua | |
| 2 | San Pedro Sula | 🇭🇳 Honduras | |
| 3 | San Antonio | 🇺🇸 United States | |
| 4 | Monterrey | 🇲🇽 México | |
| 5 | Mexico City | 🇲🇽 México |
With luck
About 10% of wildlife watchers report a Theona Checkerspot sighting in Big Bend National Park on a given day, based on 25 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 64th most-seen of the 329 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.
May–June and August–October
In those months about 20% of wildlife watchers report a Theona Checkerspot in Big Bend National Park on a given day, against under 5% in July and December–February, the lowest months. Those are among Big Bend National Park's wettest months, with about 35 mm of rain a month against 10 mm in April.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Theona Checkerspot sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
8th of 11
Of the 11 parks where we can rate Theona Checkerspot sightings, Big Bend National Park ranks 8th at about 10%. The best odds are in Tikal National Park (Guatemala, about 30%), Masaya Volcano National Park (Nicaragua, about 30%) and Ostional Wildlife Refuge (Costa Rica, about 20%).
Same family: Nymphalidae
The closest relatives of the Theona Checkerspot that you can see in Big Bend National Park (family Nymphalidae, Brush-footed Butterflies) are Empress Leilia (about 40%), Queen (about 30%) and Limenitis bredowii (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Theona Checkerspot is recorded against all the insects logged in Big Bend National Park (25 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.
