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

Andy Trowbridge / Jewelled gecko (Naultinus gemmeus) on a kanuka bush (Kunzea ericoides). Banks Peninsula; Canterbury, South Island, New Zealand.

Shibai Xiao / Colour changed tree monitors / Garden lizard (Calotes versicolor) and Bronze skinks (Lygosoma indicum) hanging up at market ready to sell as pets, Hainan Island, China, January 2007. No release availa...

Chien Lee / Komodo Dragon (Varanus komodoensis) in grass, Nusa Tenggara, Indonesia

Juergen Freund / Richard Fitzpatrick releases Grey reef shark {Carcharhinus amblyrhynchos} after inserting transmitter into its belly, as part of the Coral Reef census, Lizard Island, Queensland, Australia, April 2008

Juergen Freund / Fred Gurgel organizing his algae / seaweed specimens, as part of the Coral Reef census, Lizard Island, Queensland, Australia, April 2008

Jurgen Freund / Jo Browne and Kade Mills use a cylinder cone shaped plankton net to sample gelatinous zooplankton for Coral Reef census, Lizard Island, Queensland, Australia, April 2008. Not released

Juergen Freund / Invertebrate specimens for the Barcode of Life project of French scientist Laetitia Plaisance as part of the Coral Reef census, Lizard Island, Queensland, Australia, April 2008

Juergen Freund / Split level of mangrove roots exposed at low tide, Lizard Island, Queensland, Australia, April 2008

Juergen Freund / Charlotte Watson snorkels down to collect sand which may contain polychaete worms, Coral Reef census, Lizard Island, Queensland, Australia, April 2008. Model released

Mark Jones / Marine Iguana (Amblyrhynchus cristatus) pair resting after morning feeding, vulnerable, Punta Suarez, Hood Island, Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) breeding male basking with Sally Lightfoot Crab (Grapsus grapsus) scavenging dead skin, Hood Island, Galapagos Islands, Ecuador

Tim Fitzharris / Green Iguana (Iguana iguana) amid green leaves, Roatan Island, Honduras

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) grazing seaweed in wave wash at low tide, Punta Espinosa, Fernandina Island, Galapagos Islands, Ecuador

Flip Nicklin / Dwarf Minke Whale (Balaenoptera acutorostrata) near Lizard Island and the Great Barrier Reef, Australia

Fred Bavendam / Crescent-tail Bigeye (Priacanthus hamrur), Lizard Island, Great Barrier Reef, Queensland, Australia

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) pair sky pointing to keep cool in hot sun, Punta Espinosa, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / Sally Lightfoot Crab (Grapsus grapsus) pair sharing boulder with Marine Iguanas (Amblyrhynchus cristatus) to escape high tide, Mosquera Island, Galapagos Islands, Ecuador

Tui De Roy / Sally Lightfoot Crab (Grapsus grapsus) group sharing boulder with Marine Iguana (Amblyrhynchus cristatus) trio to escape high tide, Mosquera Island, Galapagos Islands, Ecuador

Tui De Roy / Galapagos Land Iguana (Conolophus subcristatus) female searching for descent route into 1, 000 meter active caldera to nest, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / Sally Lightfoot Crab (Grapsus grapsus) group sharing boulder with three Marine Iguana (Amblyrhynchus cristatus) group to escape high tide, Mosquera Island, Galapagos Islands, Ecuador

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) diving to graze on algae, Cape Douglas, 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 / Komodo Dragon (Varanus komodoensis) large male walking towards camera, Komodo National Park, Komodo Island, Indonesia

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) pair in surf resting on rocks, Santa Cruz 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

Mark Jones / Komodo Dragon (Varanus komodoensis) large male testing ground for scent with specialized forked tongue, Komodo National Park, Komodo Island, Indonesia

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

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) grazing on seaweed in wave washed shallows, Academy Bay, Santa Cruz Island, Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) grazing on seaweed in wave washed shallows, Academy Bay, Santa Cruz Island, Galapagos Islands, Ecuador

Fred Bavendam / Loggerhead Sea Turtle (Caretta caretta), Lizard Island, Great Barrier Reef, Australia

Fred Bavendam / Marine Iguana (Amblyrhynchus cristatus) group photographed by tourist, Santiago Island, Galapagos Islands, Ecuador

Fred Bavendam / Blackfin Barracuda (Sphyraena qenie) school off of Lizard Island, Great Barrier Reef, Queensland, Australia

Flip Nicklin / Dwarf Minke Whale (Balaenoptera acutorostrata) breaching, Lizard Island near the Great Barrier Reef, Australia

Kevin Schafer / Galapagos Land Iguana (Conolophus subcristatus) feeding on beach plant, North Seymour Island, Galapagos Islands, Ecuado r

Kevin Schafer / Marine Iguana (Amblyrhynchus cristatus) walking on sand, San Cristobal Island, Galapagos Islands, Ecuador

Kevin Schafer / Marine Iguana (Amblyrhynchus cristatus) feeding on marine algae, Fernandina Island, Galapagos Islands, Ecuador

Kevin Schafer / Marine Iguana (Amblyrhynchus cristatus) swimming, Fernandina Island, Galapagos Islands, Ecuador

Kevin Schafer / Marine Iguana (Amblyrhynchus cristatus) on rock in water, Santiago Island, Galapagos Islands, Ecuador

Kevin Schafer / Marine Iguana (Amblyrhynchus cristatus) feeding on marine algae, Santiago Island, Galapagos Islands, Ecuador

Loic Poidevin / Day gecko (Phelsuma genus) at night, Pralin Island, Seychelles, Indian Ocean

Tui De Roy / Mourning gecko (Lepidodactylus lugubris), introduced species, prevalent inside buildings, Galapagos islands, Academy Bay, Santa Cruz Island, Galapagos

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

Claudio Contreras / Clouded Anole Lizard (Anolis nebulosus) on leaf, demonstrating gecko-like climbing abilites. Maria Madre Island, Islas Marias Biosphere Reserve, Sea of Cortez (Gulf of California), Mexico, July.

Shibai Xiao / Fine lizard (Acanthosaura lepidogaster) close up head portrait feeding on insect prey, Bawangling National Nature Reserve, Hainan Island, China.

Shibai Xiao / Fine lizard (Acanthosaura lepidogaster) close up on leaf, Bawangling National Nature Reserve, Hainan Island, China.

Shibai Xiao / Fine lizard (Acanthosaura lepidogaster) resting in tree, Bawangling National Nature Reserve, Hainan Island, China.

Shibai Xiao / Bawangling cave gecko (Goniurosaurus bawanglingensis) male standing on fallen banana tree leaf, Bawangling National Nature Reserve, Hainan Island, China.

Konrad Wothe / Marine Iguana (Amblyrhynchus cristatus) basking on coastal rocks, Isabella Island, Galapagos Islands, Ecuador

MYN / Paul Marcellini / Island glass lizard (Ophisaurus compressus) Florida, USA, March. meetyourneighbours.net project

MYN / Paul Marcellini / Island glass lizard (Ophisaurus compressus) Florida, USA, March. meetyourneighbours.net project

MYN / Paul Marcellini / Island glass lizard (Ophisaurus compressus) Florida, USA, March. meetyourneighbours.net project

ZSSD / Komodo Dragon (Varanus komodoensis) flicking tongue, native to Indonesia

ZSSD / Komodo Dragon (Varanus komodoensis), native to Indonesia

Chien Lee / White-line Gecko (Gekko vittatus) in rainforest, Halmahera Island, North Maluku, Indonesia

Chien Lee / Komodo Dragon (Varanus komodoensis), Nusa Tenggara, Indonesia

Chien Lee / Komodo Dragon (Varanus komodoensis) juvenile scavenging dead buffalo, Nusa Tenggara, Indonesia

Chien Lee / Komodo Dragon (Varanus komodoensis), Nusa Tenggara, Indonesia

Chien Lee / Komodo Dragon (Varanus komodoensis) walking, Nusa Tenggara, Indonesia

Chien Lee / Komodo Dragon (Varanus komodoensis) walking with tongue extended, Nusa Tenggara, Indonesia

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

Christian Ziegler / Game wardens with confiscated boat full of iguanas that were poached for sale as bush meat, Barro Colorado Island, Panama

Christian Ziegler / Green Iguana (Iguana iguana) female from farm held by biologist August Gonzales, Barro Colorado Island, Panama

Pete Oxford / Bonaire Whiptail (Cnemidophorus murinus ruthveni) female, Bonaire, Netherlands Antilles, Caribbean

Pete Oxford / Bonaire Whiptail (Cnemidophorus murinus ruthveni) male, Bonaire, Netherlands Antilles, Caribbean

Pete Oxford / Bonaire Whiptail (Cnemidophorus murinus ruthveni) male, Bonaire, Netherlands Antilles, Caribbean

Pete Oxford / Green Iguana (Iguana iguana), Washington Slagbaai National Park, Bonaire, Netherlands Antilles, Caribbean

Pete Oxford / Green Iguana (Iguana iguana) basking, Washington Slagbaai National Park, Bonaire, Netherlands Antilles, Caribbean

Pete Oxford / Eastem Glass Lizard (Ophisaurus ventralis), Little St. Simon's Island, Georgia

Pete Oxford / Eastem Glass Lizard (Ophisaurus ventralis), Little St. Simon's Island, Georgia

Pete Oxford / Green Anole (Anolis carolinensis) in defensive posture, Little St. Simon's Island, Georgia

Pete Oxford / Eastem Glass Lizard (Ophisaurus ventralis), Little St. Simon's Island, Georgia

David Welling / Brown Anole Lizard (Anolis sagrei), an introduced species, sitting on a dead plant flashing its dew lap in a territorial display. South Padre Island, Cameron County, Texas, USA, April.

David Welling / Brown Anole Lizard (Anolis sagrei), an introduced species, climbing foliage. South Padre Island, Cameron County, Texas, USA, April.

Bruno D'Amicis / Linosa island's subspecies of the Filfola Lizard or Maltese Wall Lizard (Podarcis filfolensis ssp. laurentimulleri) on volcanic rock. Linosa, Sicily, July.

Bruno D'Amicis / Linosa island's subspecies of the Maltese Wall Lizard (Podarcis filfolensis / lilfordi ssp. laurentimulleri) on volcanic rock. Linosa, Sicily, July.

Pete Oxford / Galapagos Land Iguana (Conolophus subcristatus) burrow, base of Wolf Volcano, Isabella Island, Galapagos Islands, Ecuador

Pete Oxford / Galapagos Land Iguana (Conolophus subcristatus), base of Wolf Volcano, Isabella Island, Galapagos Islands, Ecuador

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

Pete Oxford / Galapagos Fur Seal (Arctocephalus galapagoensis) and Marine Iguanas (Amblyrhynchus cristatus) basking, Cape Douglas, Fernandina Island, Galapagos Islands, Ecuador

Pete Oxford / Marine Iguana (Amblyrhynchus cristatus) underwater, Cape Douglas, Fernandina Island, Galapagos Islands, Ecuador

Pete Oxford / Marine Iguana (Amblyrhynchus cristatus) feeding on algae underwater, Cape Douglas, Fernandina Island, Galapagos Islands, Ecuador

Pete Oxford / Marine Iguana (Amblyrhynchus cristatus) feeding on algae underwater, Cape Douglas, Fernandina Island, Galapagos Islands, Ecuador

Pete Oxford / Marine Iguana (Amblyrhynchus cristatus) feeding underwater, Cape Douglas, Fernandina Island, Galapagos Islands, Ecuador

Pete Oxford / Marine Iguana (Amblyrhynchus cristatus) swimming underwater, Cape Douglas, Fernandina Island, Galapagos Islands, Ecuador

Pete Oxford / Marine Iguana (Amblyrhynchus cristatus) swimming, Cape Douglas, Fernandina Island, Galapagos Islands, Ecuador

Pete Oxford / Marine Iguana (Amblyrhynchus cristatus) and Sally Lightfoot Crab (Grapsus grapsus), Cape Douglas, Fernandina Island, Galapagos Islands, Ecuador

Pete Oxford / Marine Iguana (Amblyrhynchus cristatus) and Sally Lightfoot Crab (Grapsus grapsus), 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) 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