A BIG STICK: Nick Carlile, seen here with the Lord Howe Island phasmid, discovered the thought-to-be extinct insect in 2001. PATRICK HONAN, ZOOS VICTORIA
Australian government ecologist Nicholas Carlile was often asked to review requests from outdoors climbers to visit the normally restricted island of Ball’s Pyramid off the nation’s east coast. An extremely narrow, 562-meter (1,844-foot) high spire of rock, it is the tallest sea stack in the world and a perfect challenge for ambitious climbers.
Some requests were made under the guise of looking for a phasmid, a stick insect the size of a human hand that went extinct from nearby Lord Howe Island in the early 20th century after a supply ship ran aground and released a swarm of hungry—and prolific—rats. There had been rumored sightings of the insects’ skeletal remains and freshly dead specimens on Ball’s Pyramid, and climbers often claimed they were part of ...