What are the chances of seeing a Rhombic Cat-eyed Snake in Ostional Wildlife Refuge?
Possible
About 20% of wildlife watchers report a Rhombic Cat-eyed Snake sighting in Ostional Wildlife Refuge on a given day, based on 8 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 18th most-seen of the 20 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.
When is the best time to see a Rhombic Cat-eyed Snake in Ostional Wildlife Refuge?
December
In that month about 40% of wildlife watchers report a Rhombic Cat-eyed Snake in Ostional Wildlife Refuge on a given day, against under 5% in January–April, June and August–November, the lowest months. That is one of Ostional Wildlife Refuge's driest months, with about 90 mm of rain against 560 mm in October.
What time of day is best to see a Rhombic Cat-eyed Snake?
Between 7 and 10 pm
Across all the parks we cover, that three-hour window holds the most Rhombic Cat-eyed Snake sightings with a recorded time, and about 8 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.
Is Ostional Wildlife Refuge the best place to see a Rhombic Cat-eyed Snake?
3rd of 9
Of the 9 parks where we can rate Rhombic Cat-eyed Snake sightings, Ostional Wildlife Refuge ranks 3rd at about 20%. The best odds are in Santa Rosa National Park (Costa Rica, about 50%) and Palo Verde National Park (Costa Rica, about 40%). All parks ranked.
Which relatives of the Rhombic Cat-eyed Snake live in Ostional Wildlife Refuge?
Same family: Colubridae
The closest relatives of the Rhombic Cat-eyed Snake that you can see in Ostional Wildlife Refuge (family Colubridae, Colubrid Snakes) are Köhler’s Vine Snake (about 30%), Central American Lyresnake (about 20%) and Black-necked Centipede Snake (about 20%), with each one's daily chance of a sighting.
Where does the Rhombic Cat-eyed Snake sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Rhombic Cat-eyed Snake is recorded against all the reptiles logged in Ostional Wildlife Refuge (8 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.