Stick insects are often thought of as being some of the most cryptically-colored of all animals, an adaptation that enables them to blend in perfectly with their surroundings and avoid detection from predators. However, some species such as this red-and-blue Calvisia sp. from central Borneo, take a completely different approach to defense; its bright coloration likely warns of a noxious chemical defense. Predators are quick to learn that prey insects which aren’t hiding themselves, are probably hiding a surprise instead. Sarawak, Malaysia (Borneo).