Trimorphodon quadruplex
Silhouette: Alex Slavenko · PhyloPic
In 3 days ~40% in a week ~70%
Trimorphodon quadruplex, the Central American lyre snake, is a species of snake of the family Colubridae. The snake is found in Nicaragua, Honduras, El Salvador. and Costa Rica. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Santa Rosa National Park | 🇨🇷 Costa Rica | |
| 2 | Palo Verde National Park | 🇨🇷 Costa Rica | |
| 3 | Ostional Wildlife Refuge | 🇨🇷 Costa Rica | |
| 4 | Las Baulas Marine National Park | 🇨🇷 Costa Rica | |
| 5 | Cabo Blanco Absolute Nature Reserve | 🇨🇷 Costa Rica |
With luck
About 10% of wildlife watchers report a Central American Lyresnake sighting in Cabo Blanco Absolute Nature Reserve on a given day, based on 6 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 13th most-seen of the 14 reptiles we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.
October
In that month about 40% of wildlife watchers report a Central American Lyresnake in Cabo Blanco Absolute Nature Reserve on a given day, against under 5% in April–September and November–December, the lowest months. That is one of Cabo Blanco Absolute Nature Reserve's wettest months, with about 560 mm of rain against 15 mm in February.
Between 7 and 10 pm
Across all the parks we cover, that three-hour window holds the most Central American Lyresnake sightings with a recorded time, and about 6 in 10 of them come between 6 pm and 6 am: it is most active around dawn and dusk.
5th of 5
Of the 5 parks where we can rate Central American Lyresnake sightings, Cabo Blanco Absolute Nature Reserve ranks 5th at about 10%. The best odds are in Santa Rosa National Park (Costa Rica, about 40%), Palo Verde National Park (Costa Rica, about 40%) and Ostional Wildlife Refuge (Costa Rica, about 20%). All parks ranked.
GBIF citizen-science records
It is estimated from how often the Central American Lyresnake is recorded against all the reptiles logged in Cabo Blanco Absolute Nature Reserve (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.
