Lord Howe island stick insect (scientific name: Dryococelus australis) is a large stick insect endemic to Australia. It was once considered extinct in 193, but it was rediscovered in 21 (this phenomenon is called Lazarus phenomenon). This insect has actually become extinct in its largest habitat, Lord Howe Island, and is currently only found in a neighboring volcanic rock, Ball &; #39; A population of less than 3 individuals was found on Pyramid, so this insect is called "the rarest insect in the world".