Christian Ziegler / Parrot Snake (Leptophis ahaetulla) with open mouth, Barro Colorado Island, Panama
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Christian Ziegler / Red-eyed Tree Frog (Agalychnis callidryas) close-up on branch, ranges into tropical forests of Central and South America
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Christian Ziegler / Green Iguana (Iguana iguana) portrait of baby, Barro Colorado Island, Panama
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Christian Ziegler / Green Iguana (Iguana iguana) detail of eye, Barro Colorado Island, Panama
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Michael Durham / Bobcat (Lynx rufus) close-up portrait showing reflective green tapetum lucidum in eyes, Oregon
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Piotr Naskrecki / Red-eyed Tree Frog (Agalychnis callidryas) semi-transparent eyelid that allows it to see its surroundings even while resting, Costa Rica
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ZSSD / Praying Mantis (Mantis sp) close-up portrait of face, worldwide distribution
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Jabruson / Jackson's chameleon {Chamaeleo jacksonii} with eye turned backwards, Kenya
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Tony Heald / RF- Flap necked chameleon (Chamaeleo dilepis) close-up of head. Etosha national park, Namibia. (This image may be licensed either as rights managed or royalty free.)
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Jason Smalley / Ox-eye Daisies / Marguerite {Leucanthemum vulgare} growing in organic pasture land, County Durham, UK.
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Rolf Nussbaumer / RF- Western green toad (Bufo debilis) male calling, vocal sac inflated. Chiricahua Mountains, Arizona, USA. (This image may be licensed either as rights managed or royalty free.)
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Kim Taylor / Green orb web spider {Araniella cucurbiina} in web in Ox-eye daisy with flies.
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Staffan Widstrand / Burrowing owl portrait (Athene cunicularia) on fence post. Pantanal, Brazil Mato Grosso. (This image may be licensed either as rights managed or royalty free.)
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Nick Garbutt / RF- Male Panther chameleon, threat display (Chamaeleo pardalis). Madagascar. Marojejy National Park. (This image may be licensed either as rights managed or royalty free.)
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Kim Taylor / RF- European edible frog male vocal sacs inflated (Rana esculenta) UK, captive. (This image may be licensed either as rights managed or royalty free.)
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Gerry Ellis / Natal Green Snake (Philothamnus natalensis) portrait, Ndumo Game Reserve, South Africa
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Mitsuaki Iwago / Domestic Cat (Felis catus) white adult cat with one blue eye and one green eye, a condition called heterochromia which does not affect vision
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Rolf Nussbaumer / RF- Mexican treefrog (Smilisca baudinii) on Spanish moss. Texas, USA. (This image may be licensed either as rights managed or royalty free.)
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Ingo Arndt / African Chameleon (Chamaeleo africanus) portrait, Africa
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Heidi & Hans-Juergen Koch / Red-eyed Tree Frog (Agalychnis callidryas) portrait sitting on a twig, native to tropical rainforests of Central America
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Heidi & Hans-Juergen Koch / Red-eyed Tree Frog (Agalychnis callidryas) portrait sitting on a twig, native to tropical rainforests of Central America
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Heidi & Hans-Juergen Koch / Red-eyed Tree Frog (Agalychnis callidryas) portrait sitting on a twig, native to tropical rainforests of Central America
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Heidi & Hans-Juergen Koch / Red-eyed Tree Frog (Agalychnis callidryas) close-up portrait showing tympanum or eardrum, and nictitating membrane which protects the eyes from danger but does not completely restrict vision, native t...
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Heidi & Hans-Juergen Koch / Red-eyed Tree Frog (Agalychnis callidryas) close-up portrait showing nictitating membrane which protects the eyes from danger but does not completely restrict vision, native to tropical rainforests of...
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Heidi & Hans-Juergen Koch / Red-eyed Tree Frog (Agalychnis callidryas) close-up portrait with eyes wide open, native to tropical rainforests of Central America
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Michael & Patricia Fogden / White's Tree Frog (Litoria caerulea) in the rainforest, Daintree National Park, Queensland, Australia
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Michael & Patricia Fogden / Banded King Shoemaker (Prepona demophon) catterpillar anterior body expanded to expose false eye spots and mimic snake, note eggs of parasitic Tachinid fly, rainforest, Costa Rica
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Duncan Usher / European Hare (Lepus europaeus) close up of face in tall, green grass, Europe
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Michael & Patricia Fogden / Green Tree Python (Chondropython viridis) portrait, New Guinea
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Michael & Patricia Fogden / White-lipped Tree Frog (Litoria infrafrenata) on tree trunk in World Heritage Site tropical rainforest, Kuranda State Forest, Queensland, Australia
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Gerry Ellis / Green Anole (Anolis carolinensis) close-up, portrait, native southeast USA and the Caribbean
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Chris Newbert / Parrotfish (Scarus sp) close-up of eye, Red Sea, Egypt
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Gerry Ellis / White-lipped Tree Frog (Litoria infrafrenata) new guinea to northeast Australia
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Mark Moffett / Green and Black Poison Dart Frog (Dendrobates auratus) eye, Tobago Island, Panama
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Mark Moffett / Stag Fly (Phytalmia cervicornis) small male has only small knobs instead of full antlers, Papua New Guinea
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Mitsuhiko Imamori / Impatiens Hawk Moth (Theretra oldenlandiae) caterpillar displaying false eye-spots, Central America
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Mark Moffett / Moss Frog (Theloderma corticale) eye and face showing texture and coloration used as camouflage, Tam Dao National Park, Vietnam
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Mitsuaki Iwago / Domestic Cat (Felis catus) adult with one blue eye and one green eye walking in shallow water
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Mitsuaki Iwago / Domestic Cat (Felis catus) adult with one blue eye and one green eye swimming
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Mitsuaki Iwago / Domestic Cat (Felis catus) vocalizing white kitten with one blue eye and one green eye, a condition called heterochromia that does not affect vision
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Mitsuaki Iwago / Domestic Cat (Felis catus) white kitten with one blue eye and one green eye, a condition called heterochromia which does not affect vision
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Juergen Freund / Close up of eye of Green sea turtle {Chelonia mydas} Indo-Pacific
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Juergen Freund / Close up of eye of Green turtle {Chelonia mydas} Indo-Pacific
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Rick Tomlinson / Pat Stables and Nigel Hunter's Trapper 300, "Google-Eye", racing off the green at Skandia Cowes Week, Solent, UK day 2 July 30, 2006.
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PREMAPHOTOS / Trinidad leaf frog (Phyllomedusa trinitatis), considered by some to be the same species as Phyllomedusa tarsius. Close-up of male's eye at night, Trinidad
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Theo Allofs / Bengal Tiger (Panthera tigris tigris) dominant male lying in green grass, close-up, dry season, April, Bandhavgarh National Park, India
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Claus Meyer / Tiger-striped Leaf Frog (Phyllomedusa tomopterna) or Barred Leaf Frog, portrait, Amazon ecosystem, Brazil
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Mark Moffett / Moss Frog (Theloderma corticale) face showing texture and coloration used as camouflage, Tam Dao National Park, Vietnam
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Steven David Miller / Green anole on palm frond {Anolis carolinensis} Florida USA
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Michael & Patricia Fogden / Green Tree Python (Chondropython viridis) portrait, New Guinea
