Robert Thompson / Early thorn moth (Selenia dentaria) camouflaged as dead leaf on stem, Argory, County Armagh, Northern Ireland, UK, March
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Christian Ziegler / Red-eyed Tree Frog (Agalychnis callidryas) three males sitting on a stem, Soberania National Park, Panama
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Nick Garbutt / RF- Wallace's flying / gliding frog (Rhacophorus nigropalmatus) perching on understorey vegetation at night, Danum Valley, Sabah, Borneo. (This image may be licensed either as rights managed or royalt...
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Doug Wechsler / Viceroy butterfly pupa {Limenitis archippus} on leaf stem. USA. Captive.
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Pete Oxford / Tiger butterfly {Tithorea harmonia} chrysalids on leaf stem. Amazon, Ecuador
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Doug Wechsler / Butterfly {Dynastor darius} chrysalis / pupa on leaf stem. Costa Rica.
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Mark Moffett / Weaver Ant (Oecophylla longinoda) group grab an adjacent leaf and stem with mandibles and toes and pull, gradually binding them together to make a nest, Malaysia
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Mark Moffett / Weaver Ant (Oecophylla longinoda) group grab an adjacent leaf and stem with mandibles and toes and pull, gradually binding them together to make a nest, Malaysia
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Mark Moffett / Weaver Ant (Oecophylla longinoda) group grab an adjacent leaf and stem with mandibles and toes and pull, gradually binding them together, Malaysia
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Gerry Ellis / Green Leaf-mimic Katydid (Steirodon robertsorum) on stem, camouflaged amongst leaves, Costa Rica
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Nick Upton / Lesser Bloody-nosed Beetle (Timarcha goettingensis) on a dead plant stem in a chalk grassland meadow, Wiltshire, UK, March.
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Andy Sands / Leaf Cutter Bee (Megachile willughbiella) male resting on plant stem. Hertfordshire, England, UK, July.
Anup Shah / Bornean Orangutan (Pongo pygmaeus wurmbii) male baby 'Thor' aged 8-9 months playing with a leaf stem on his mother's outstretched arm - wide angle perspective. Camp Leakey, Tanjung Puting National Par...
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Markus Varesvuo / Pallas's leaf warbler (Phylloscopus proregulus) looking up while perched on stem, Finland, October
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Markus Varesvuo / Pallas's leaf warbler (Phylloscopus proregulus) perched on stem, Finland, October
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Daniel Heuclin / Tiger stripped leaf / Monkey frog (Phyllomedusa tomopterna) walking along plant stem, Montagne de Kaw, French Guiana, South America
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Daniel Heuclin / Tiger stripped leaf / Monkey frog (Phyllomedusa tomopterna) portrait on plant stem, Montagne de Kaw, French Guiana, South America
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Adrian Davies / Sensitive Plant (Mimosa pudica) shown before touching (then 2 stages of leaf and stem collapse) Sequence 1 / 3
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Adrian Davies / Sensitive Plant (Mimosa pudica) showing leaf and stem collapse Sequence 3 / 3
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Paul Harcourt Davies / Bloody-nosed beetle (Timarcha tenebricosa) climbing down a plant stem, Italy, Europe.
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Nick Garbutt / Lined Leaf-tailed Gecko (Uroplatus lineatus) climbing vine stem. Active in forest understorey at night. Masoala National Park, Madagascar.
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Nick Garbutt / Lined Leaf-tailed Gecko (Uroplatus lineatus) climbing vine stem. Active in forest understorey at night. Masoala National Park, Madagascar.
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Aflo / N-2108 New shoots on twisted plant stem.
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Stephen Dalton / Black and red froghopper (Cercopis vulnerata) on leaf stem, UK
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Theo Allofs / Tree Frog (Phyllomedusa sp) on stem of heliconia flower, Tambopata River, Peru
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PREMAPHOTOS / Close up of feet of caterpillar larva of Noctuid moth (Apopestes spectrum) with its prolegs grasping a leaf stem, Israel
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PREMAPHOTOS / Leaf-footed bug (Machtima crucigera) warningly coloured, sucking sap from a vine stem in the campo cerrado, Brazil
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Piotr Naskrecki / Red-eyed Tree Frog (Agalychnis callidryas) ready to hatch eggs with fully developed tadpoles inside beginning to slide down the stem of the plant to which they were attached, Costa Rica
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Michael & Patricia Fogden / Blue-sided Leaf Frog (Agalychnis annae) perched on stem, back view, cloud forest, Costa Rica
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Michael & Patricia Fogden / Misfit Leaf Frog (Agalychnis saltator) standing on stem, side view, rainforest, Costa Rica
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Pete Oxford / Splendid Leaf Frog (Agalychnis calcarifer) climbing on plant stem, northwestern Ecuador
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Pete Oxford / Splendid Leaf Frog (Agalychnis calcarifer) climbing on plant stem, northwestern Ecuador
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Pete Oxford / Splendid Leaf Frog (Agalychnis calcarifer) climbing on plant stem, northwestern Ecuador
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Pete Oxford / White-lined Leaf Frog (Phyllomedusa vaillanti) walking along plant stem, Pastaza, Amazon rainforest, Ecuador
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Pete Oxford / Katydid (Tettigoniidae) on stem, mimicking leaf, Manu cloud forest, Peru
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Pete Oxford / Tiger-striped Leaf Frog (Phyllomedusa tomopterna) or Barred Leaf Frog, portrait on plant stem, Amazon, Ecuador
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Pete Oxford / Tiger-striped Leaf Frog (Phyllomedusa tomopterna) or Barred Leaf Frog, climbing up plant stem, Amazon, Ecuador
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Pete Oxford / Splendid Leaf Frog (Agalychnis calcarifer) sitting on plant stem, Esmeraldas, northwestern Ecuador
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Gerry Ellis / Leaf-mimic Katydid (Aegimia elongata) on stem, camouflaged amongst leaves, Costa Rica
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Premaphotos / Bush-cricket / katydid (Oxyprora sp) in its normal daytime pose facing towards the stem along the midrib of a leaf, in rainforest, Peru
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Mark Moffett / Weaver Ant (Oecophylla longinoda) group grab an adjacent leaf and stem with mandibles and toes and pull, gradually binding them together to make a nest, Malaysia