Tui De Roy / Galapagos lava lizard (Microlophus albemarlensis) sitting on Marine iguana (Amblyrhynchus cristatus) Punta Espinosa, Fernandina Island, Galapgos.

Ross Hoddinott / Galapagos lava lizard (Microlophus albemarlensis), Punta Espinosa, The Galapagis Islands..

Ross Hoddinott / Galapagos lava lizard (Microlophus albemarlensis) sitting on the head of a Marine iguana (Amblyrhynchus cristatus), Punta Espinosa, The Galapagis Islands..

Maxime Aliaga / Marine iguana (Amblyrhynchus cristatus) with a lava lizard (Microlophus albemarlensis) on its head, Isabela Island, Galapagos

Tui De Roy / Racer snake (Pseudalsophis biserialis) feeding on lava lizard, Puerto Pajas, Isabela Island, Galapagos.

Tui De Roy / Galapagos lava lizard (Microlophus albemarlensis) on head of Marine iguana (Amblyrhynchus cristatus) Punta Espinosa, Fernandina Island, Galapagos,

Nick Hawkins / Galapagos lava lizard (Microlophus albemarlensis) feeding on flies attracted to sunbathing Marine iguana (Amblyrhynchus cristatus). Isabela Island, Galapagos.

Nick Hawkins / Galapagos lava lizard (Microlophus albemarlensis) resting on tail of Marine iguana (Amblyrhynchus cristatus). Lava lizards feed on flies found on iguanas. Isabela Island, Galapagos.

Tui De Roy / Galapagos lava lizard (Microlophus albemarlensis), sitting on Marine iguana (Amblyrhynchus cristatus) Puerto Villamil, Isabela Island, Galapagos.

Tui De Roy / Galapagos lava lizard (Microlophus albemarlensis), Mariela Islands, Elizabeth Bay, Isabela Island

Tui De Roy / Galapagos lava lizard (Microlophus albemarlensis) male and female,Mariela Islands, Elizabeth Bay, Isabela Island, Galapagos

Lucas Bustamante / Santa Fe lava lizard (Microlophus albemarlensis) on sand by a resting Galapagos sea lion (Zalophus wollebaeki) Santa Fe Island, Galapagos, Endangered species.