Deep in the dry tropical forest of Malolo Island, Peter Harlow freezes mid-step. The retired biologist from Sydney’s Taronga Zoo raises his flashlight to cut through the heavy Fijian darkness. To the untrained eye, the canopy is just a monochromatic tangle of leaves. But to Harlow, the light reveals a ghostly reflection—a whitish glow against the dark foliage that signals life.

"There he is," Harlow whispers, pointing to a high branch in a Tahitian chestnut tree. Clinging to the wood is a Fijian crested iguana, a small, emerald-green lizard that looks like a miniature dragon.

Learn more