The Madagascar Tree Boa is a non-venomous boa species endemic to the island of Madagascar.
Adults average 120–150 cm in length, although 180–210 cm specimens are not uncommon.
Two subspecies are currently recognized: Sanzinia madagascariensis madagascariensis and Sanzinia madagascariensis volontany.
Sanzinia madagascariensis madagascariensis is greenish in colour and is found on the east side of Madagascar, while Sanzinia madagascariensis volontany is brownish in colour and is found on the western side of the island.
Andasibe-Mantadia National Park, Madagascar, 11 January 2014