False Fer-de-lance
Xenodon rabdocephalus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyColubridae (Colúbrids)
- GenusXenodon
- SpeciesXenodon rabdocephalus (False Fer-de-lance)
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
Most active during daytime hours (6am–6pm) · 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 | Arenal Volcano National Park | 🇨🇷 Costa Rica | |
| 3 | Amboró National Park | 🇧🇴 Bolivia | |
| 4 | Lago de Yojoa | 🇭🇳 Honduras | |
| 5 | Chagres National Park | 🇵🇦 Panama | |
| 6 | Pico Bonito National Park | 🇭🇳 Honduras | |
| 7 | Amacayacu National Natural Park | 🇨🇴 Colombia | |
| 8 | Cerro Azul Meámbar National Park | 🇭🇳 Honduras | |
| 9 | Yasuní National Park | 🇪🇨 Ecuador | |
| 10 | Cordillera Azul National Park | 🇵🇪 Peru | |
| 11 | Montes Azules Biosphere Reserve | 🇲🇽 Mexico | |
| 12 | Bastimentos Island National Marine Park | 🇵🇦 Panama | |
| 13 | Cuyabeno Wildlife Reserve | 🇪🇨 Ecuador | |
| 14 | Tambopata National Reserve | 🇵🇪 Peru | |
| 15 | Carara National Park | 🇨🇷 Costa Rica | |
| 16 | Calakmul Biosphere Reserve | 🇲🇽 Mexico | |
| 17 | La Amistad International Park (Panama) | 🇵🇦 Panama | |
| 18 | Tapantí-Macizo de la Muerte National Park | 🇨🇷 Costa Rica | |
| 19 | Monteverde Cloud Forest Reserve | 🇨🇷 Costa Rica |
Quick answers
What are the chances of seeing a False Fer-de-lance in Arenal Volcano National Park?
About 9% of visitor-days record a False Fer-de-lance sighting in Arenal Volcano National Park, based on 10 observer-days of citizen-science data from GBIF.
When is the best time to see False Fer-de-lance in Arenal Volcano National Park?
November has the highest sighting rate for False Fer-de-lance in Arenal Volcano National Park in our monthly data.