Bernard Castelein / Collared iguanid (Oplurus cuvieri) close up of foot, Kirindy Forest, Madagascar.

Bernard Castelein / Collared iguanid (Oplurus cuvieri), Kirindy Forest, Madagascar.

Konrad Wothe / Cuvier's Madagascar Swift Iguana (Oplurus cuvieri) Tsingy de Bemaraha National Park, West Madagascar, Africa

Konrad Wothe / Dumeril's Madagascar Swift Iguana (Oplurus quadrimaculatus) Andohahela National Park, South Madagascar, Africa

Konrad Wothe / Cuvier's Madagascar Swift (Oplurus cuvieri) male hanging on rock, Tsingy de Bemaraha National Park, Mahajanga, Madagascar

Konrad Wothe / Marked Madagascar Swift (Oplurus saxicola) male, Andohahela National Park, Madagascar

Loic Poidevin / Madagascar spiny tailed lizard (oplurus cuvieri) Madagascar

Loic Poidevin / Madagascar spiny-tailed iguana (Oplurus cuvieri) climbing up tree, Madagascar.

Inaki Relanzon / Cuvier's madagascar swift / Collared iguana (Oplurus cuvieri) seen from above, Sahamalaza National Park, North West Coast, Madagascar, October

Inaki Relanzon / Cuvier's madagascar swift / Collared iguana (Oplurus cuvieri) portrait, Sahamalaza National Park, North West Coast, Madagascar, October

Rod Williams / Madagascan Spiny Iguana (Oplurus cuvieri cuvieri). Captive. Endemic to Madagascar. UK, June.

Alan Watson / Madagascar spiny-tailed lizard (Oplurus cuvieri) in red sand, Reniala Reserve, Madagascar