Black-tailed Worm Snake

Closest Relatives at Chirripó 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	Chirripó National Park	🇨🇷 Costa Rica	10–20%
2	Volcán Barú National Park	🇵🇦 Panama	Insufficient data
3	La Amistad International Park (Panama)	🇵🇦 Panama	Insufficient data

Quick answers

What are the chances of seeing a Black-tailed Worm Snake in Chirripó National Park?

About 15% of visitor-days record a Black-tailed Worm Snake sighting in Chirripó National Park, based on 8 observer-days of citizen-science data from GBIF.

When is the best time to see Black-tailed Worm Snake in Chirripó National Park?

August has the highest sighting rate for Black-tailed Worm Snake in Chirripó National Park in our monthly data.