Madagascar tree boa  (Sanzinia madagascariensis)

Juvenile Madagascar tree boa

© Nick Garbutt / Indri Images

Juvenile Madagascar tree boa on branch

© Nick Garbutt / Indri Images

Juvenile Madagascar tree boa on forest floor

© Nick Garbutt / naturepl.com

Close up of Madagascar tree boa's head

© Pete Oxford / naturepl.com

Madagascar tree boa tasting air

© Jörn Köhler

Madagascar tree boa

© Pete Oxford / naturepl.com

Madagascar tree boa tasting air

© Louise Jasper

Madagascar tree boa

© Jörn Köhler

Madagascar tree boa

© kevinschafer.com

Male Madagascar tree boa in fork of tree

© Nick Garbutt / Indri Images

Madagascar tree boa on branch

© Nick Garbutt / naturepl.com

Madagascar tree boa curled around a branch

© Louise Jasper

Madagascar tree boa on leaf litter

© Pete Oxford / naturepl.com

Madagascar tree boa on rock

© David Haring / www.osfimages.com