Rhetus periander
In 3 days ~50% in a week ~80%
Rhetus periander, the Periander metalmark or variable beautymark, is a butterfly of the family Riodinidae. It is found in most of Central and South America, ranging from Mexico to Brazil and Argentina. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Iguazú National Park | 🇦🇷 Argentina | |
| 2 | Iguaçu National Park | 🇧🇷 Brazil | |
| 3 | Manu National Park | 🇵🇪 Peru | |
| 4 | Serra dos Órgãos National Park | 🇧🇷 Brazil | |
| 5 | Tambopata National Reserve | 🇵🇪 Peru | |
| 6 | Lago de Yojoa | 🇭🇳 Honduras | |
| 7 | Cuyabeno Wildlife Reserve | 🇪🇨 Ecuador | |
| 8 | Yasuní National Park | 🇪🇨 Ecuador | |
| 9 | Soberanía National Park | 🇵🇦 Panama |
Possible
About 20% of wildlife watchers report a Periander Metalmark sighting in Serra dos Órgãos National Park on a given day, based on 12 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 13th most-seen of the 117 insects we can rate there. Over three days the chance rises to about 50%, and over a week to about 80%, if each day is a fresh chance.
June and August–September
In those months about 40% of wildlife watchers report a Periander Metalmark in Serra dos Órgãos National Park on a given day, against under 5% in April, July and October–February, the lowest months. Those are among Serra dos Órgãos National Park's driest months, with about 95 mm of rain a month against 310 mm in November.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Periander 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.
4th of 9
Of the 9 parks where we can rate Periander Metalmark sightings, Serra dos Órgãos National Park ranks 4th at about 20%. The best odds are in Iguazú National Park (Argentina, about 30%), Iguaçu National Park (Brazil, about 20%) and Manu National Park (Peru, about 20%).
Same order: Lepidoptera
The closest relatives of the Periander Metalmark that you can see in Serra dos Órgãos National Park (order Lepidoptera, Butterflies and Moths) are Dark Owl-Butterfly (about 30%), Melinaea ludovica (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 Periander Metalmark is recorded against all the insects logged in Serra dos Órgãos National Park (12 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.
