Claus Meyer / Green Iguana (Iguana iguana) clinging to branch in tropical rainforest, Caatinga, Brazil
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Duncan Murrell / Green garden lizard (Calotes calotes) juvenile, Laxapana Falls, Maskeliya, Sri Lanka.
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Duncan Murrell / Green garden lizard (calotes calotes) showing color variation, Deniyaya, Sri Lanka.
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Lucas Bustamante / Common / Green iguana (Iguana iguana) portrait, Sarapiqui, Heredia, Costa Rica.
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Lucas Bustamante / Green iguana (Iguana iguana) male perched on the canopy at the dry forest. Puna Island, Guayas, Ecuador.
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Greg Basco/ BIA / Green Iguana (Iguana iguana) group in trees, Costa Rica
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Jen Guyton / Green iguana (Iguana iguana) rests on a log, La Selva Biological Station, Costa Rica.
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Jen Guyton / Basilisk (Basiliscus basiliscus) male on log, near Cahuita National Park, Costa Rica.
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Lucas Bustamante / Close-up of the Green garden lizard (Calotes calotes) scales on the abdomen. Captive, Sinharaja, Southern Province, Sri Lanka.
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Nick Garbutt / Green Iguana (Iguana iguana) male basking in bush overhanging the Ariporo River, Hato La Aurora Reserve, Los Llanos, Colombia, South America.
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Nick Garbutt / Leaf-tailed Gecko (Uroplatus fimbriatus) resting on tree trunk in rainforest understorey. Marojejy National Park, north east Madagascar.
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Bernard Castelein / Jerdon's Forest Lizard (Calotes jerdoni). Trishna wildlife sanctuary, Tripura, India.
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Ian Lockwood / Common Green Forest Lizard(Calotes calotes) juvenile, Sri Lanka,
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Ian Lockwood / Common Green Forest Lizard(Calotes calotes) Sinharaja Forest Reserve, Sri Lanka, May
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Matthew Maran / Tree Lizard {Calotes calotes} on banana plant, Sinharaja Rainforest , Sri Lanka
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Mark Moffett / Green Iguana (Iguana iguana) sunning on a branch in rainforest, Panama
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Tui De Roy / Green Iguana (Iguana iguana) controlled in stream-side habitat in northern arid forest, Cerro Chaparri, Lambayeque Province, Peru
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Elio Della Ferrera / Common Green Forest Lizard{Calotes calotes} camouflaged on green leaf, Sinharaja Forest Reserve, Sri Lanka
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Guy Edwardes / Green iguana (Iguana iguana) basking in morning sun, Lowland rainforest, Costa Rica.
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Guy Edwardes / Green iguana (Iguana iguana) on log over stream. Arenal, Costa Rica. Controlled conditions.
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Robin Chittenden / Green forest lizard (Calotes calotes) on tree trunk, Sri Lanka.
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Robin Chittenden / Green forest lizard (Calotes calotes) portrait, Sri Lanka.
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Robin Chittenden / Green forest lizard (Calotes calotes) Sri Lanka.