Rhetus arcius
In 3 days ~20% in a week ~50%
Rhetus arcius, the long-tailed metalmark, s a species of Neotropical butterfly, first described in Carl Linnaeus' 1763 Centuria Insectorum. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Ostional Wildlife Refuge | 🇨🇷 Costa Rica | |
| 2 | Ría Lagartos Biosphere Reserve | 🇲🇽 Mexico | |
| 3 | Lago de Yojoa | 🇭🇳 Honduras | |
| 4 | Farallones de Cali National Natural Park | 🇨🇴 Colombia | |
| 5 | Cañón del Sumidero National Park | 🇲🇽 Mexico |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Tegucigalpa | 🇭🇳 Honduras | |
| 2 | Cali | 🇨🇴 Colombia | |
| 3 | San Pedro Sula | 🇭🇳 Honduras | |
| 4 | Medellín | 🇨🇴 Colombia | |
| 5 | San José | 🇨🇷 Costa Rica | |
| 6 | San Salvador | 🇸🇻 El Salvador | |
| 7 | Guatemala City | 🇬🇹 Guatemala | |
| 8 | São Paulo | 🇧🇷 Brazil | |
| 9 | Rio de Janeiro | 🇧🇷 Brazil |
With luck
About 10% of wildlife watchers report a Long-Tailed Metalmark sighting in Cañón del Sumidero National Park on a given day, based on 6 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 30th most-seen of the 46 insects 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.
October
In that month about 20% of wildlife watchers report a Long-Tailed Metalmark in Cañón del Sumidero National Park on a given day, against under 5% in April–July and December–February, the lowest months. That is one of Cañón del Sumidero National Park's wettest months, with about 150 mm of rain against 5 mm in February.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Long-Tailed Metalmark 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 Long-Tailed Metalmark sightings, Cañón del Sumidero National Park ranks 5th at about 10%. The best odds are in Ostional Wildlife Refuge (Costa Rica, about 20%), Ría Lagartos Biosphere Reserve (Mexico, about 10%) and Lago de Yojoa (Honduras, about 10%).
Same order: Lepidoptera
The closest relatives of the Long-Tailed Metalmark that you can see in Cañón del Sumidero National Park (order Lepidoptera, Butterflies and Moths) are Malachite (about 20%), Zebra Longwing (about 20%) and Limenitis iphiclus (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Long-Tailed Metalmark is recorded against all the insects logged in Cañón del Sumidero National Park (6 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.
