Roland Seitre / Vicente's Poison Frog (Dendrobates vicentei), native to Panama

Roland Seitre / Harlequin Poison Dart Frog (Dendrobates histrionicus) in defensive posture, native to South America

Piotr Naskrecki / Fulgorid Planthopper (Fulgoridae) spreading wings to show aposematic coloration, Costa Rica

Piotr Naskrecki / Tessaratomid (Tessaratomidae) nymph with warning coloration, Papua New Guinea

Piotr Naskrecki / Looper Moth (Geometridae) caterpillar with aposematic coloration, Atewa Range, Ghana

Hiroya Minakuchi / Kunie's Chromodorid Nudibranch (Chromodoris kuniei), Borneo, Malaysia

Hiroya Minakuchi / Nudibranch (Hypselodoris bullockii) pair mating, Borneo, Malaysia

Thomas Marent / Dyeing Poison Frog (Dendrobates tinctorius), Kaw, French Guiana

Thomas Marent / Alpine Newt (Ichthyosaura alpestris) male, Switzerland

Thomas Marent / Alpine Newt (Ichthyosaura alpestris) male, Switzerland

Thomas Marent / Alpine Newt (Ichthyosaura alpestris) male, Switzerland

Thomas Marent / Alpine Newt (Ichthyosaura alpestris) female, Switzerland