Black Halloween Snake

Closest Relatives at Arenal Volcano National Park

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Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

#	Park	Country	Probability
1	Braulio Carrillo National Park	🇨🇷 Costa Rica	10–20%
2	Tenorio Volcano National Park	🇨🇷 Costa Rica	10–20%
3	Arenal Volcano National Park	🇨🇷 Costa Rica	10–20%
4	Gandoca-Manzanillo Wildlife Refuge	🇨🇷 Costa Rica	Insufficient data
5	Tapantí-Macizo de la Muerte National Park	🇨🇷 Costa Rica	Insufficient data
6	Soberanía National Park	🇵🇦 Panama	Insufficient data

Quick answers

What are the chances of seeing a Black Halloween Snake in Arenal Volcano National Park?

About 10% of visitor-days record a Black Halloween Snake sighting in Arenal Volcano National Park, based on 13 observer-days of citizen-science data from GBIF.

When is the best time to see Black Halloween Snake in Arenal Volcano National Park?

October has the highest sighting rate for Black Halloween Snake in Arenal Volcano National Park in our monthly data.