The Madagascan Ground Boa, also called the Malagasy Ground Boa, is native to open woodland of north, west and central Madagascar. A non-venomous constrictor, it can grow to 10 feet (3 metres), the largest snake on the island. It is well-camouflaged, solitary and nocturnal. Prey is rodents and birds.

The Dumeril's Boa is a ground boa that lives in forest leaf litter in regions of west and southwest Madagascar and Reunion.

It can grow to some 8 feet (2.5) metres. It eats rodents and birds but also lizards and other snakes.