Black Spiny-tailed Iguana
Ctenosaura similis
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyIguanidae (Iguanas and Chuckwallas)
- GenusCtenosaura (Spiny-tailed Iguanas)
- SpeciesCtenosaura similis (Black Spiny-tailed Iguana)
Ctenosaura similis, commonly known as the black iguana or black spiny-tailed iguana, is an iguanid lizard native to Mexico and Central America. It has been reported in some Colombian islands in the Caribbean Sea and Pacific Ocean, and has been introduced to the United States in the state of Florida. The largest species in the genus Ctenosaura, it is commonly found in areas such as grasslands and forests. Wikipedia →
📅 Monthly Probability
Fewer than 5 records of Black Spiny-tailed Iguana at Poás Volcano National Park — not enough to chart months honestly.
☀️ 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