At every stage in their lives, from egg to adult, leaf and stick insects prove to be prey that can trick their predators. The giant Malaysian leaf insect (Pulchriphyllium giganteum) starts life as ...

However, stick insects, as a group, call the world their home. These bugs currently inhabit nearly every continent, including North and South America, Australia, Europe, and Africa.

After conservation efforts that lasted for more than a decade, the San Diego Zoo Wildlife Alliance is finally bringing the critically endangered Lord Howe Island stick insects to the forefront.

A team of biologists in Montana and Germany has found that, regardless of type, those insects that express a protective stick- or leaf-like appearance all evolved the same basic body parts.