There are more than 3,000 species of walking stick bugs all over the world and in diverse climates. Their appearance depends on the trees in their native habitat: as they evolved to look like a plan in their area. Some species have also developed other variations such as asexual reproduction.
What do stick insects look like? - The Australian Museum
Stick Bug Facts for Kids
Door to Nature: Walking Sticks - Door County Pulse
What Predators Eat the Walking Stick Insect?
Stick Insects, Stick Insect Pictures, Stick Insect Facts - National Geographic
Stick Insect San Diego Zoo Animals & Plants
Animals: Stick Bug
The walking stick: bizarre and dangerous - Palm Beach Florida Weekly
What Predators Eat the Walking Stick Insect?