Lucas Bustamante / Common basilisk (Basiliscus basiliscus) on rock in river, Canande, Esmeraldas, Ecuador.

Jen Guyton / Basilisk (Basiliscus basiliscus) male on log, near Cahuita National Park, Costa Rica.

Jen Guyton / Basilisk (Basiliscus basiliscus) male on log, near Cahuita National Park, Costa Rica.

Jen Guyton / Basilisk (Basiliscus basiliscus) young male sitting on a branch in the Central Pacific Conservation Area, Costa Rica.

Jen Guyton / Basilisk (Basiliscus basiliscus) young male sitting on a branch in the Central Pacific Conservation Area, Costa Rica.

Jen Guyton / Basilisk (Basiliscus basiliscus) young male sitting on a branch in the Central Pacific Conservation Area, Costa Rica.

Jen Guyton / Basilisk (Basiliscus basiliscus) young male sitting on a branch in the Central Pacific Conservation Area, Costa Rica.

Alex Hyde / Common basilisk lizard (Basiliscus basiliscus) two juveniles on leaf, Drake Bay, Osa Peninsula, Costa Rica

Alex Hyde / Common basilisk lizard (Basiliscus basiliscus) female at night, Osa Peninsula, Costa Rica

Alex Hyde / Common basilisk lizard (Basiliscus basiliscus) female at night, Osa Peninsula, Costa Rica

Cyril Ruoso / Common basilisk (Basiliscus basiliscus) on tropical rainforest floor, Barro Colorado Island, Gatun Lake, Panama Canal, Panama.

Nick Garbutt / Common Basilisk (Basiliscus basiliscus) in forest understorey, Paujil Nature Reserve, Magdalena Valley, Colombia, South America.

Tim Fitzharris / Common Basilisk (Basiliscus basiliscus) male, Costa Rica

Tim Fitzharris / Common Basilisk (Basiliscus basiliscus) male, Costa Rica

Cyril Ruoso / Jesus Christ Lizard (Basiliscus basiliscus) female, Sierra Nevada de Santa Marta, Colombia

Cyril Ruoso / Jesus Christ Lizard (Basiliscus basiliscus) on rock in water, Barro Colorado Island, Panama

John Cancalosi / Common Basilisk (Basiliscus basiliscus). Tropical rainforest of Costa Rica.

Konrad Wothe / Common Basilisk (Basiliscus basiliscus) in lowland rainforest, Braulio Carrillo National Park, Costa Rica

John Cancalosi / Common Basilisk (Basiliscus basiliscus) in profile. Costa Rican tropical rainforest.

John Cancalosi / Common Basilisk (Basiliscus basiliscus) on trunk. Costa Rican tropical rainforest.

John Cancalosi / Common Basilisk (Basiliscus basiliscus) on trunk. Costa Rican tropical rainforest.

John Cancalosi / Common Basilisk (Basiliscus basiliscus) head in profile showing neck markings. Costa Rican tropical rainforest.

David Tipling / Common Basilisk {Basiliscus basiliscus} Peten, Guatemala

Martin Gabriel / Common basilisk (Basiliscus basiliscus) Osa Peninsula, Corcovado National Park, Costa Rica

Piotr Naskrecki / Jesus Christ Lizard (Basiliscus basiliscus), Carara National Park, Costa Rica

Tim Fitzharris / Jesus Christ Lizard (Basiliscus basiliscus), South America

Hiroya Minakuchi / Green Basilisk (Basiliscus plumifrons) male, Selva Verde, Costa Rica

Roman Willi / Common basilisk (Basiliscus basiliscus) male, portrait, Osa Peninsula, Costa Rica.

Fernando Faciole / Common basilisk (Basiliscus basiliscus) close up. Corcovado National Park, Osa Peninsula, Costa Rica.

Adrian Davies / Double-crested basilisk (Basiliscus plumifrons) Costa Rica. Note tick on chin.