Why the Titan Stick Insects are so big?
Stick insects are large in size in general. One reason is they mimic a stick to hide away from their predators, usually birds or some other larger sized vertebrae animal. The camouflage will only effective to cheat larger predators. To smaller size predators such as spiders and praying mantis, sticks insect may not look like a stick. One of the solution to avoid those smaller predators is larger in size. This also explained why some stick insect mimic ants and not stick when they are in small larva stages. For Titan Stick Insects, there may be many factors make them the longest insects. I notice one major factor which is theirs hugeness resemble the size of the stick on the tree that they feed on. They feed on the cypress trees. For those trees, beside some main trunks, most of the branches are about the size of the Titan’s body. There are many branches in high density. If a twig fall from the top part of the tree, it usually hangs in the middle of the trees. When I look up from the bo
