Two-headed Sipo
Chironius bicarinatus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyColubridae (Colúbrids)
- GenusChironius (Sipos)
- SpeciesChironius bicarinatus (Two-headed Sipo)
Closest Relatives at Tijuca National Park
Brown Sipo
Chironius fuscus
Coastal Sipo
Chironius foveatus
Linnaeus' Sipo
Chironius exoletus
Brazilian Sipo
Chironius laevicollis
Military Ground Snake
Erythrolamprus miliaris
Head-striped Leaf-litter Snake
Echinanthera cephalostriata
Raddi's Lizard-eating Snake
Elapomorphus quinquelineatus
Neuwied's False Fer-de-lance
Xenodon neuwiedii
Cobra-do-folhiço
Echinanthera melanostigma
Neotropical Snail-eater
Dipsas indica
Amazon Puffing Snake
Spilotes sulphureus
Tropical Flat Snake
Siphlophis compressus
📅 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 | Tijuca National Park | 🇧🇷 Brazil | |
| 2 | Serra dos Órgãos National Park | 🇧🇷 Brazil | |
| 3 | Itatiaia National Park | 🇧🇷 Brazil |
Quick answers
What are the chances of seeing a Two-headed Sipo in Tijuca National Park?
About 10% of visitor-days record a Two-headed Sipo sighting in Tijuca National Park, based on 9 observer-days of citizen-science data from GBIF.
When is the best time to see Two-headed Sipo in Tijuca National Park?
October has the highest sighting rate for Two-headed Sipo in Tijuca National Park in our monthly data.