Black Halloween Snake
Pliocercus euryzonus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyColubridae (Colúbrids)
- GenusPliocercus
- SpeciesPliocercus euryzonus (Black Halloween Snake)
Pliocercus euryzonus, commonly known as Cope's false coral snake, is a species of snake in the subfamily Dipsadinae of the family Colubridae. The species is indigenous to southeastern Central America and northwestern South America. There are two recognized subspecies. Wikipedia →
5–10% of wildlife watchers report a Black Halloween Snake sighting in Arenal Volcano National Park, based on 13 days of visitor records from GBIF citizen-science data.
Closest Relatives at Arenal Volcano National Park
Ornate Cat-eyed Snake
Leptodeira ornata
Cloudy Snail-eating Snake
Sibon nebulatus
Blunthead Tree Snake
Imantodes cenchoa
Puffing Snake
Phrynonax poecilonotus
Red Coffee Snake
Ninia sebae
Mottled Snail-eater
Sibon longifrenis
Ringed Snail Sucker
Sibon annulatus
Forest Flame Snake
Oxyrhopus petolarius
Western Tree Snake
Imantodes inornatus
Spotted Coffee Snake
Ninia maculata
Cope's Vine Snake
Oxybelis brevirostris
Ecuador Sipo
Chironius grandisquamis
📅 Monthly Probability
☀️🌙 When They're Spotted
Active throughout day and night · across all parks (global)
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 | |
| 2 | Tenorio Volcano National Park | 🇨🇷 Costa Rica | |
| 3 | Arenal Volcano National Park | 🇨🇷 Costa Rica | |
| 4 | Gandoca-Manzanillo Wildlife Refuge | 🇨🇷 Costa Rica | |
| 5 | Tapantí-Macizo de la Muerte National Park | 🇨🇷 Costa Rica | |
| 6 | Soberanía National Park | 🇵🇦 Panama |
Quick answers
What are the chances of seeing a Black Halloween Snake in Arenal Volcano National Park?
About 8% of wildlife watchers report a Black Halloween Snake sighting in Arenal Volcano National Park, based on 13 days of visitor records from GBIF citizen-science data.
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.