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 Manu National Park on a given day, based on 54 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 12th most-seen of the 366 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.
September
In that month about 40% of wildlife watchers report a Periander Metalmark in Manu National Park on a given day, against under 5% in July, the lowest month. That is one of Manu National Park's driest months, with about 90 mm of rain against 290 mm in February.
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.
3rd of 9
Of the 9 parks where we can rate Periander Metalmark sightings, Manu National Park ranks 3rd at about 20%. The best odds are in Iguazú National Park (Argentina, about 30%) and Iguaçu National Park (Brazil, about 20%).
GBIF citizen-science records
It is estimated from how often the Periander Metalmark is recorded against all the insects logged in Manu National Park (54 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.
