Daniel Heuclin / Dumeril's Ground Boa (Acrantophis dumerili) against white background. Endemic to Madagascar.

Edwin Giesbers / Madagascar ground boa (Acrantophis madagascariensis) Berenty Reserve, Madagascar

Cyril Ruoso / Malagasy ground boa (Acrantophis madagascariensis) camouflaged in leaf litter. Anja Community Reserve, Madagascar.

Cyril Ruoso / Madagascar ground boa (Acrantophis madagascariensis) swallowing adult Ringed-tailed lemur (Lemur catta). Madagascar.

Cyril Ruoso / Malagasy Ground Boa (Acrantophis madagascariensis) swallowing Ring-tailed Lemur (Lemur catta) prey, Madagascar

Ingo Arndt / Madagascar boa constrictor {Acrantophis madagascariensis} captive

David Pattyn / Madagascar ground boa (Acrantophis madagascariensis), well camouflaged against leaves, Anjajavy Private Reserve, north west Madagascar.

Pascal Kobeh / Dumeril's ground boa (Acrantophis dumerili) held by a guide, Nosy Be, Madagascar

Chien Lee / Malagasy Ground Boa (Acrantophis madagascariensis) in leaf litter, Berenty Private Reserve, Madagascar

Nick Garbutt / Dumeril's Boa (Acrantophis dumerili) basking in late afternoon sunshine on forest floor. Berenty Private Reserve, southern Madagascar.

Bernard Castelein / Madagascar ground boa (Acrantophis madagascariensis) Ankarana NP, Madagascar

Bernard Castelein / Madagascar ground boa (Acrantophis madagascariensis), Ankarana NP., Madagascar

Claudio Contreras / Dumeril's boa (Acrantophis dumerili), captive.

Mark Carwardine / Madagascar boa {Acrantophis madagascariensis} coiled around branch at night, Aye-aye Island, north-east Madagascar

Chris Mattison / Dumeril's boa (Acrantophis dumerili), captive, occurs Madagascar

Chris Mattison / Dumeril's boa (Acrantophis dumerili), captive, occurs Madagascar

Daniel Heuclin / Dumeril's Ground Boa (Acrantophis dumerili) against white background. Endemic to Madagascar.

Loic Poidevin / Madagascar ground boa (Acrantophis madagascariensis) head portrait, Madagascar.

Edwin Giesbers / Madagascar ground boa (Acrantophis madagascariensis) Berenty Reserve, Madagascar

Edwin Giesbers / Madagascar ground boa (Acrantophis madagascariensis) portrait, Berenty Reserve, Madagascar

Edwin Giesbers / Madagascar ground boa (Acrantophis madagascariensis) portrait, Berenty Reserve, Madagascar

Michael D. Kern / Dumeril's ground boa {Acrantophis dumerili} captive, from Madagascar

Nick Garbutt / Madagascar ground boa {Acrantophis madagascariensis} on forest floor, Lokobe NR, Nosybe, NW Madagascar

Nick Garbutt / Madagascar boa constrictor {Acrantophis madagascariensis} Lokobe Reserve, North West Madagascar

LYNN M. STONE / Dumeril's ground boa wrapped around tree {Acrantophis dumerili} captive

Barry Mansell / Dumeril's ground / Madagascan boa {Acrantophus dumerili} captive

Nick Garbutt / Malagasy tree boa {Acrantophis madagascariensis} Ankarana Reserve, North Madagascar

Nick Garbutt / Dumeril's ground boa {Acrantophis dumerili} Ifaty spiny forest, Madagascar

Nick Garbutt / Dumeril's ground boa {Acrantophis dumerili} Ifaty spiny forest, Madagascar

Nick Garbutt / Dumeril's ground boa {Acrantophis dumerili} Ifaty spiny forest, Madagascar

Nick Garbutt / Dumeril's ground boa {Acrantophis dumerili} Ifaty spiny forest, Madagascar

Michael & Patricia Fogden / Madagascar Ground Boa (Acrantophis dumerili), Madagascar

Nick Garbutt / Madagascar boa constrictor {Acrantophis madagascariensis} feeds on {Oplurus sp} lizard Kirindy, W Madagascar

Cyril Ruoso / Malagasy Ground Boa (Acrantophis madagascariensis) swallowing Ring-tailed Lemur (Lemur catta) prey, Madagascar

Cyril Ruoso / Malagasy Ground Boa (Acrantophis madagascariensis) swallowing Ring-tailed Lemur (Lemur catta) prey, Madagascar

Shane P. White / Malagasy Ground Boa (Acrantophis madagascariensis) coiled around branch, Lokobe Nature Special Reserve, Nosy Be, Madagascar

Nick Garbutt / Madagascar boa constrictor {Acantophis madagascariensis} Lokobe Res, Madagascar

Nick Garbutt / Malagasy tree boa {Acrantophis madagascariensis} Ankarana Res. North Madagascar

Nick Garbutt / Juvenile Malagasy tree boa {Acrantophis madagascariensis} Ankarana Res. North Madagascar

Bernard Castelein / RF - Madagascar ground boa (Acrantophis madagascariensis) camouflaged in leaf litter, Ankarana National Park, Madagascar. (This image may be licensed either as rights managed or royalty free.)

Nick Garbutt / Madagascar ground boa (Acrantophis madagascariensis) lying waiting in ambush on leaf litter on forest floor. Kirindy Forest, western Madagascar.

Nick Garbutt / Madagascar ground boa (Acrantophis madagascariensis) lying waiting in ambush on leaf litter on forest floor. Kirindy Forest, western Madagascar.