Gerry Ellis / Green Leaf-mimic Katydid (Steirodon robertsorum) on leaf, Costa Rican highlands

Michael & Patricia Fogden / Hooded Praying Mantis (Choeradodis rhomboidea) disguised as leaves, rainforest ecosystem, Costa Rica

Gerry Ellis / Green Leaf-mimic Katydid (Steirodon robertsorum) on stem, camouflaged amongst leaves, Costa Rica

Ingo Arndt / Stink Bug (Edessa sp) portrait, a true bug of the Heteroptera suborder, Guanacaste, Costa Rica

Ingo Arndt / Stink Bug (Edessa sp) portrait, a true bug of the Heteroptera suborder, Guanacaste, Costa Rica

Piotr Naskrecki / Katydid (Championica montana) camouflaged against moss, Costa Rica

Piotr Naskrecki / Katydid (Haemodiasma tessellata) camouflaged against green leaf, Costa Rica

Ingo Arndt / Treehopper (Membracidae) close up portrait, Santa Rosa National Park, Guanacaste, Costa Rica

Ingo Arndt / Praying Mantis (Mantis sp) camouflaged against dry flower, Monte Verde, Costa Rica

Michael & Patricia Fogden / Walking Stick insect camouflaged as lichen, Costa Rica

Piotr Naskrecki / Newly discovered but as yet unnamed species of Katydid, Costa Rica

Piotr Naskrecki / Mantid (Liturgusa annulipes) and Flattie (Selenopidae) camouflaged against lichen and moss-covered tree, Costa Rica

Piotr Naskrecki / Footman Moth (Halysidota sp) cryptically colored, against bark of tree, Costa Rica

Piotr Naskrecki / Crab Spider (Stephanopis sp) on twig, Costa Rica

Piotr Naskrecki / Costa Rican Katydid (Xestoptera cornea) molting, sequence 3 of 6

Piotr Naskrecki / Katydid (Mimetica mortuifolia) mimicking leaf attacked by certain moths or beetles which cause leaves to turn partially brown, Costa Rica

Piotr Naskrecki / Warty Treefrog (Scinax boulengeri) camouflaged on mossy twig, Costa Rica

Piotr Naskrecki / Newly discovered, yet unnamed Katydid mimicking a leaf on young fern, Costa Rica

Michael & Patricia Fogden / Katydid (Paraphidnia sp) disguised as lichen covered twig, rainforest, La Selva Biological Research Station, Costa Rica

Michael & Patricia Fogden / Looper Moth (Geometridae) camouflaged against lichen-covered tree trunk, cloud forest, Costa Rica

Michael & Patricia Fogden / Green Vine Snake (Oxybelis fulgidus) among leaves in rainforest, Costa Rica

Michael & Patricia Fogden / Orb-weaver Spider (Micrathena sp) camouflaged on plant, Monteverde Cloud Forest Reserve, Costa Rica

Michael & Patricia Fogden / Prominent (Notodontidae) moth disguised as broken twigs, cloud forest, Costa Rica

Michael & Patricia Fogden / Looper Moth (Geometridae) camouflaged against tree trunk, Monteverde Cloud Forest Reserve, Costa Rica

Michael & Patricia Fogden / Katydid (Orophus conspersus) showing different morphs, disguised as leaves, rainforest, Costa Rica

Michael & Patricia Fogden / Cope's Brown Treefrog (Hyla miliaria) camouflaged in rainforest, Penas Blancas, Monteverde Cloud Forest Reserve, Costa Rica

Michael & Patricia Fogden / Green Vine Snake (Oxybelis fulgidus) among leaves in rainforest, Costa Rica

Michael & Patricia Fogden / Green Vine Snake (Oxybelis fulgidus) among leaves in rainforest, Costa Rica

Norbert Wu / Heliconia (Heliconia sp) blossom with beetle, Costa Rica