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

Tui De Roy / Galapagos Lava Lizard (Microlophus albemarlensis) on Marine Iguana (Amblyrhynchus cristatus), Punta Espinosa, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / Galapagos Lava Lizard (Microlophus albemarlensis) on Marine Iguana (Amblyrhynchus cristatus), Punta Espinosa, Fernandina Island, Galapagos Islands, Ecuador

Franco Banfi / Marine iguanas (Amblyrhynchus cristatus) basking on volcanic rock, Punta Espinosa, Fernandina Island, Galapagos Islands, East Pacific Ocean.

Ben Hall / Marine Iguana (Amblyrhynchus cristatus) on rock with lava lizard sitting on its head, Galapagos Islands, May.

Kevin Schafer / Galapagos Marine Iguana (Amblyrhynchus cristatus) with Lava Lizard (Trpoidurus) on head. Fernandina island, Galapagos.

Andy Rouse / Marine Iguana (Amblyrhynchus cristatus) with friendly Lava Lizard (Tropidurus) perched on its head. Puerto Egas, Galapagos, September.

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) pair silhouetted on lava shore at sunset, Cape Douglas, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / Galapagos Land Iguana (Conolophus subcristatus) rare social group basking together, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) group in over heated sky pointing posture with lava flow entering sea, Cape Hammond, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) group in overheated sky-pointing posture with new lava flow, Cape Hammond, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) mature male clings to lava rock along shoreline, Academy Bay, Santa Cruz Island, Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) with lava flow entering sea at night, Cape Hammond, Fernandina Island, Galapagos Islands, Ecuador

Lucas Bustamante / Floreana Lava-Lizard (Microlophus grayii) sunbathing. Floreana, Galapagos Islands.

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.

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

Lucas Bustamante / Lava Lizard (Microlophus indefatigabilis) female on a rock. Santa Cruz, Galapagos Islands, Ecuador.

Lucas Bustamante / Lava Lizard (Microlophus grayi) female perched on a rock. Floreana Island, Galapagos Islands, Ecuador.

Tui De Roy / San Cristobal Lava Lizard (Microlophus bivittatus) basking, Punta Pitt, San Cristobal Island, Galapagos Islands, Ecuador

Tui De Roy / Galapagos Lava Lizard (Microlophus albemarlensis) on Marine Iguana (Amblyrhynchus cristatus), Punta Espinosa, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / Galapagos Lava Lizard (Microlophus albemarlensis) on Marine Iguana (Amblyrhynchus cristatus), Punta Espinosa, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / Hood Lava Lizard (Microlophus delanonis), Punta Suarez, Espanola Island, Galapagos Islands, Ecuador

Roy Mangersnes / Espanola lava lizard (Microlophus delanonis) male, endemic to Espanola Island, Galapagos.

Tui De Roy / San Cristobal lava lizard (Microlophus bivittatus) male, Galapagos

Tui De Roy / San Cristobal lava lizard (Microlophus bivittatus) male, Galapagos

Tui De Roy / Pinzon lava lizard (Microlophus duncanensis) female, Galapagos

Tui De Roy / Pinzon lava lizard (Microlophus duncanensis) female, Galapagos

Tui De Roy / Pinzon lava lizard (Microlophus duncanensis) male, Galapagos

Tui De Roy / Great blue herom (Ardea herodias) with lava lizard, Galapagos

Tui De Roy / Espanola lava lizard (Microlophus delanonis), female, Galapagos.

Tui De Roy / Espanola lava lizard (Microlophus delanonis), female, Galapagos.

Tui De Roy / Espanola lava lizard (Microlophus delanonis), female, Galapagos

Tui De Roy / Espanola lava lizard (Microlophus delanonis) male courting female, Galapagos

Sylvain Cordier / Marine iguana (Amblyrhynchus cristatus) with lava lizard (Microlophus albemarlensis) on his head, Santiago island, Galapagos Islands

Franco Banfi / Marine iguana (Amblyrhynchus cristatus) profile, Punta Espinosa, Fernandina Island, Galapagos Islands, East Pacific Ocean.

Franco Banfi / Marine iguanas (Amblyrhynchus cristatus) basking on volcanic rock, Punta Espinosa, Fernandina Island, Galapagos Islands, East Pacific Ocean.

Ben Hall / Lava lizard (Microlophus) feeding on locust prey, Galapagos Islands, May.

Ross Hoddinott / Lava lizard (Tropidurus) portait, Fernandina Island, Galapagos, Ecuador. April.

Ross Hoddinott / Lava lizard (Tropidurus spp.) eating painted locust, Bartolome Island, Galapagos, Ecuador. May 2015

Ross Hoddinott / Lava lizard (Tropidurus sp.) resting on rocks, Puerto Egas, Santiago Island, Galapagos, Ecuador. May 2015.

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) on coastal lava rocks, Turtle Bay, Santa Cruz Island, Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) on coastal lava rocks, Santa Cruz Island, Galapagos Islands, Ecuador

Ross Hoddinott / Lava lizard (Tropidurus) on sand, Bartolome Island, Galapagos, Ecuador. April.

Ross Hoddinott / Lava lizard (Tropidurus) on sand, Bartolome Island, Galapagos, Ecuador. April.

Ross Hoddinott / Lava lizard (Tropidurus) portait, Fernandina Island, Galapagos, Ecuador. April.

Tui De Roy / Pinzon Lava Lizard (Microlophus duncanensis) female, Pinzon Island, Ecuador

D. Parer & E. Parer-Cook / Lava Lizard (Tropidurus albemarlensis) on the head of a Marine Iguana (Amblyrhynchus cristatus), Fernandina Island, Galapagos Islands, Ecuador

Mike Wilkes / Lava Lizard (Tropidurus sp.) on back of Marine Iguana (Amblyrhynchus christatus). Fernandina, Galapagos Islands.

Tui De Roy / Galapagos lava lizard (Microlophus albermarlensis / delanonis) male guarding territory. Galapagos Islands, Ecuador, November.

Tui De Roy / Galapagos lava lizard (Microlophus albermarlensis) Santa Cruz Island, Galapagos

Tui De Roy / Floreana lava lizard (Microlophus grayi) Floreana Island, Galapagos

Tui De Roy / San Cristobal lava lizard (Microlophus bivittatus), San Cristobal island, Galapagos, South America

John Abbott / Espanola lava lizard (Microlophus delanonis) Espanola Island, Galapagos Islands

Ole Jorgen Liodden / Lava Lizard (Tropidurus) against purple backround. Galapagos

Andy Rouse / Lava Lizard (Tropidurus) resting on the back of a sea lion. Plaza Sur Galapagos, South America, September.

Pete Oxford / Marine Iguana (Amblyrhynchus cristatus) on cool lava, Isabella Island, Galapagos Islands, Ecuador

Pete Oxford / Marine Iguana (Amblyrhynchus cristatus) and Lava Lizard (Tropidurus albemarlensis), Cape Douglas, Fernandina Island, Galapagos Islands, Ecuador

Pete Oxford / Marine Iguana (Amblyrhynchus cristatus) and Lava Lizard (Tropidurus albemarlensis), Cape Douglas, Fernandina Island, Galapagos Islands, Ecuador

Pete Oxford / Marine Iguana (Amblyrhynchus cristatus) with Lava Lizards (Tropidurus albemarlensis) on head and back, Cape Douglas, Fernandina Island, Galapagos Islands, Ecuador

Pete Oxford / Marine Iguana (Amblyrhynchus cristatus) with Lava Lizard (Tropidurus albemarlensis) on head, Cape Douglas, Fernandina Island, Galapagos Islands, Ecuador

Tim Laman / Marine iguana (Amblyrhynchus cristatus) with a Lava lizard (Microlophus albemarlensis) on its head, Galapapos, Vulnerable species

Pete Oxford / Lava lizard (Microlophus / Tropidurus albemarlensis) male, Puerto Ayora, Santa Cruz, Galapagos Islands

Pete Oxford / Lava lizard (Microlophus / Tropidurus albemarlensis) male, Puerto Ayora, Santa Cruz, Galapagos Islands

Pete Oxford / Lava Lizard (Microlophus / Tropidurus albemarlensis) male, Puerto Ayora, Santa Cruz, Galapagos Islands

Pete Oxford / Lava Lizard (Microlophus / Tropidurus delanonis) female, Puenta Suarez, Espanola Island, Galapagos Islands

Pete Oxford / Lava Lizard (Microlophus / Tropidurus albemarlensis) female, Puerto Ayora, Santa Cruz, Galapagos Islands

Pete Oxford / Lava Lizard (Tropidurus albemarlensis) male displaying in breeding coloration, Puerto Ayora, Santa Cruz Island, Galapagos Islands, Ecuador

Pete Oxford / Lava Lizard (Tropidurus albemarlensis) female in breeding colors, Puerto Ayora, Santa Cruz Island, Galapagos Islands, Ecuador

Pete Oxford / Lava Lizard (Tropidurus albemarlensis) female in full breeding colors, Puerto Ayora, Santa Cruz Island, Galapagos Islands, Ecuador

Tui De Roy / Hood Lava Lizard (Microlophus delanonis) male in full breeding colors showing tail that has regenerated, Galapagos Islands, Ecuador

Tui De Roy / Hood Lava Lizard (Microlophus delanonis) female in full breeding colors, Galapagos Islands, Ecuador

Tui De Roy / Hood Lava Lizard (Microlophus delanonis) male in full breeding colors, Galapagos Islands, Ecuador

Tui De Roy / Hood Lava Lizard (Microlophus delanonis) male in full breeding colors, Galapagos Islands, Ecuador

Tui De Roy / Hood Lava Lizard (Microlophus delanonis) male in full breeding colors showing tail that has regenerated, Galapagos Islands, Ecuador

Tui De Roy / Galapagos Lava Lizard (Microlophus albemarlensis) male, Galapagos Islands, Ecuador

Tui De Roy / Galapagos Lava Lizard (Microlophus albemarlensis) female in full breeding colors, Galapagos Islands, Ecuador

Tui De Roy / Galapagos Lava Lizard (Microlophus albemarlensis) young male lifting toes to avoid overheating on hot lava, Galapagos Islands, Ecuador

Tui De Roy / San Cristobal Lava Lizard (Microlophus bivittatus) male, Galapagos Islands, Ecuador

Pete Oxford / Galapagos Hawk (Buteo galapagoensis) male brought Lava Lizard (Microlophus albemarlensis) to female and chick in nest, Galapagos Islands, Ecuador

Pete Oxford / Lava Lizard (Tropidurus albemarlensis) female, Santiago Island, Galapagos Islands, Ecuador

Pete Oxford / Male Lava lizard (Microlophus / Tropidurus delanonis) portrait, Punta Cevallos, Española or Hood Island, Galapagos Islands. Endemic

Pete Oxford / Male Lava lizard (Microlophus / Tropidurus delanonis) on vegetation, Punta Cevallos, Española or Hood Island, Galapagos Islands (Endemic to the Islands)

John Sparks / Lava lizard {Tropidurus sp} basking on the head of a Marine iguana {Amblyrhynchus cristatus} Galapagos

Pete Oxford / Galapagos fur seal (Arctocephalus galapagoensis) sleeping while lava lizards feed on flies, Santiago / James Island, Galapagos

Pete Oxford / Galapagos fur seal (Arctocephalus galapagoensis) sleeping while lava lizards feed on flies, Santiago / James Island, Galapagos

Pete Oxford / Galapagos sealion (Zalophus wollebaeki) resting on beach with lava lizard on head, Bartolome Island, Galapagos Islands, South America

Kerstin Hinze / Marine Iguana (Amblyrhynchus cristatus) with a Lava Lizard (Microlophus sp.) on head, Punta Espinosa, Fernandina, Galapagos Islands

Kerstin Hinze / Marine Iguana (Amblyrhynchus cristatus) with a Lava Lizard (Microlophus sp.) on head, Punta Espinosa, Fernandina, Galapagos Islands

Hiroya Minakuchi / Lava Lizard (Tropidurus albemarlensis) atop a Marine Iguana (Amblyrhynchus cristatus) to gain better vantage point, Galapagos Islands, Ecuador

GEORGETTE DOUWMA / Lava lizard {Tropidurus sp} Galapagos

Pete Oxford / Lava lizard {Tropidurus albemariensis} female, Santiago Is, Galapagos

Hiroya Minakuchi / Lava Heron (Butorides sundevalli) with lizard in beak, Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) dense colony basking on lava, Punta Espinosa, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) dense colony basking on lava, Punta Espinosa, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) dense colony basking on lava, Punta Espinosa, Fernandina Island, Galapagos Islands, Ecuador