Parides eurimedes
In 3 days ~30% in a week ~50%
Parides eurimedes is a species of butterfly in the family Papilionidae. It is commonly known as the mylotes cattleheart, Arcas cattleheart, pink-checked cattleheart, and true cattleheart. It is native to the Americas. In 2004, Gerardo Lamas combined Parides arcas and Parides timias into Parides eurimedes. He lists the following subspecies:
The wingspan measures 7 to 8.5 cm (2.8 to 3.3 in). P. e. mylotes is black with both sexes having a red patch on the dorsal hindwing. The dorsal forewing of the male has a triangular green patch. The female has a white patch on the dorsal forewing. A full description (as P. arcas and P.timias) is provided by Rothschild, W. and Jordan, K. (1906) Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Lago de Yojoa | 🇭🇳 Honduras | |
| 2 | Rincón de la Vieja National Park | 🇨🇷 Costa Rica | |
| 3 | Tayrona National Natural Park | 🇨🇴 Colombia | |
| 4 | Bastimentos Island National Marine Park | 🇵🇦 Panama | |
| 5 | Braulio Carrillo National Park | 🇨🇷 Costa Rica | |
| 6 | Tenorio Volcano National Park | 🇨🇷 Costa Rica | |
| 7 | Gandoca-Manzanillo Wildlife Refuge | 🇨🇷 Costa Rica | |
| 8 | Carara National Park | 🇨🇷 Costa Rica | |
| 9 | Arenal Volcano National Park | 🇨🇷 Costa Rica | |
| 10 | Parque Natural Metropolitano | 🇵🇦 Panama | |
| 11 | Soberanía National Park | 🇵🇦 Panama | |
| 12 | La Amistad International Park (Panama) | 🇵🇦 Panama |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | San Salvador | 🇸🇻 El Salvador |
With luck
About 10% of wildlife watchers report a True Cattleheart sighting in Gandoca-Manzanillo Wildlife Refuge on a given day, based on 6 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 50th most-seen of the 72 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.
December to February
In those months about 20% of wildlife watchers report a True Cattleheart in Gandoca-Manzanillo Wildlife Refuge on a given day, against under 5% in April to November, the lowest months.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most True Cattleheart sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
7th of 12
Of the 12 parks where we can rate True Cattleheart sightings, Gandoca-Manzanillo Wildlife Refuge ranks 7th at about 10%. The best odds are in Lago de Yojoa (Honduras, about 20%), Rincón de la Vieja National Park (Costa Rica, about 20%) and Tayrona National Natural Park (Colombia, about 10%).
Same family: Papilionidae
The closest relatives of the True Cattleheart that you can see in Gandoca-Manzanillo Wildlife Refuge (family Papilionidae, Swallowtails and Parnassians) are Thoas Swallowtail (about 10%) and Western Giant Swallowtail (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the True Cattleheart is recorded against all the insects logged in Gandoca-Manzanillo Wildlife Refuge (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.
