Madagascar Ground Boa

Madagascar Ground Boa

Acrantophis madagascariensis

Silhouette: Alex Slavenko · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered Endemic
Daily sighting probability ~50% · Likely
at Ankarafantsika National Park
15 Verified sightings at Ankarafantsika National Park From 2019 to 2026
15 Verified sightings across 1 park From 2019 to 2026
April Best month highest sighting rate
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the Madagascar Ground Boa

Acrantophis madagascariensis is a species of boid snake in the subfamily Sanziniinae that is endemic to the island of Madagascar. Its common names include the Madagascar ground boa and Malagasy ground boa. This species is included in the Boidae family of snakes, subfamily Sanziniinae. No subspecies are currently recognized.

Adult females can be up to 3 m (10 ft), males are typically smaller, the average size of the population is 2.4 m (8 ft) in length. This is the largest snake species found on the island of Madagascar. Acrantophis madagascariensis, like others in the family, dispatch their prey by constriction.

The color pattern consists of a pale reddish-brown ground color mixed with gray, overlaid with a pattern of dorsal rhombs outlined with black or brown. Sometimes, this creates a vague zigzag impression. The sides are patterned with a series of black ovoid markings with reddish blotches, often bordered or centered with white.

A. madagascariensis is endemic to Madagascar, occurring in the central, northern and western parts of the island. The species usually occurs in sparse, open woodland, such as the Madagascar dry deciduous... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Ankarafantsika National Park 🇲🇬 Madagascar
~50%

More parks will be added in future updates.

Quick answers

What are the chances of seeing a Madagascar Ground Boa in Ankarafantsika National Park?

About 50% of wildlife watchers report a Madagascar Ground Boa sighting in Ankarafantsika National Park, based on 15 verified sightings from GBIF citizen-science data.

When is the best time to see Madagascar Ground Boa in Ankarafantsika National Park?

April has the highest sighting rate for Madagascar Ground Boa in Ankarafantsika National Park in our monthly data.

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