Pete Oxford / Australian Walking Stick (Extatosoma tiaratum) harmless, Australia

Piotr Naskrecki / Stick Insect (Oncotophasma sp), La Selva Biological Research Station, Heredia, Costa Rica

Thomas Marent / Walking Leaf (Phylliidae) mimicking leaf, Cameron Highlands, Malaysia

Thomas Marent / Walking Leaf (Phylliidae) mimicking leaf in cloud forest, Cameron Highlands, Malaysia

Chien Lee / Stick Insect (Phenacephorus sp) mimicking a moss-covered branch, Borneo, Malaysia

Chien Lee / Stick Insect (Phenacephorus sp) mimicking a moss-covered branch, Borneo, Malaysia

Albert Lleal / Peruvian Fire Stick (Oreophoetes peruana) male, its bright color warning predators of its toxicity, native to Peru and Ecuador

Albert Lleal / Peruvian Fire Stick (Oreophoetes peruana) male, its bright color warning predators of its toxicity, native to Peru and Ecuador

Thomas Marent / Walking Leaf (Phylliidae) insect mimicking leaf, Crater Mountain, Papua New Guinea

Patricio Robles Gil / Australian Walking Stick (Extatosoma tiaratum), Madagascar

Gerry Ellis / Australian Walking stick (Extaosoma tiaratum) tropical Queensland, Australia