Thessalia theona
In 3 days ~30% in a week ~50%
| # | 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 Sian Ka'an Biosphere Reserve on a given day, based on 5 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 15th most-seen of the 20 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.
February–March and July–September
In those months about 20% of wildlife watchers report a Theona Checkerspot in Sian Ka'an Biosphere Reserve on a given day, against under 5% in April–June and October–January, the lowest months.
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.
10th of 11
Of the 11 parks where we can rate Theona Checkerspot sightings, Sian Ka'an Biosphere Reserve ranks 10th 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 Sian Ka'an Biosphere Reserve (family Nymphalidae, Brush-footed Butterflies) are Blue Monarch (about 20%), Zebra Longwing (about 20%) and White Peacock (about 20%), 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 Sian Ka'an Biosphere Reserve (5 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.
