Western Rainbow Boa

Western Rainbow Boa

Epicrates cenchria

Silhouette: Alex Slavenko · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~20% · Possible
at Cuyabeno Wildlife Reserve
38 Verified sightings at Cuyabeno Wildlife Reserve From 2019 to 2026
150 Verified sightings across all 11 parks From 2019 to 2026
December Best month highest sighting rate
☀️🌙 Day & Night When it's spotted Active throughout day and night

About the Western Rainbow Boa

The rainbow boa (Epicrates cenchria) is a boa species endemic to South America. A semi-arboreal species (not only do they climb in the wild but also proven in captivity), it is known for its attractive iridescent/holographic sheen caused by structural coloration. Five subspecies are currently recognized, including the nominate subspecies described here.

The rainbow boa is found in South America. It occurs east of the Andes, roughly reaching northern Argentina (in the provinces Chaco, Córdoba, Corrientes, Formosa, Salta, Santiago del Estero and Tucumán). The rainbow boa's habitat generally consists of humid woodlands and rainforests, but it can also be found in open savannas.

The rainbow boa is typically orange, brown, or reddish brown, with a paler belly and black markings: three parallel stripes on the head, rings down the back, and lateral blotches with a crescent over them, although there is a great deal of natural variation that may be heightened by artificial breeding. It is 4 to 6 feet in length and sexually dimorphic, as females are slightly longer and have wider abdomens. Males are stronger when compared with females of the same... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Cuyabeno Wildlife Reserve 🇪🇨 Ecuador
~20%
2 Yasuní National Park 🇪🇨 Ecuador
~20%
3 Tambopata National Reserve 🇵🇪 Peru
~20%
4 Amacayacu National Natural Park 🇨🇴 Colombia
~20%
5 Manu National Park 🇵🇪 Peru
~20%
6 Canaima National Park 🇻🇪 Venezuela
Insufficient data
7 Madidi National Park 🇧🇴 Bolivia
Insufficient data
8 Cordillera Azul National Park 🇵🇪 Peru
Insufficient data
9 Anavilhanas National Park 🇧🇷 Brazil
Insufficient data
10 Podocarpus National Park 🇪🇨 Ecuador
Insufficient data
11 Everglades National Park 🇺🇸 United States
Insufficient data

Quick answers

What are the chances of seeing a Western Rainbow Boa in Cuyabeno Wildlife Reserve?

About 20% of wildlife watchers report a Western Rainbow Boa sighting in Cuyabeno Wildlife Reserve, based on 38 verified sightings from GBIF citizen-science data.

When is the best time to see Western Rainbow Boa in Cuyabeno Wildlife Reserve?

December has the highest sighting rate for Western Rainbow Boa in Cuyabeno Wildlife Reserve in our monthly data.

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