Images: Lashmar Conservation Park, Quentin Chester Photography; Christmas Island red crabs, rainforest, and underwater fish, Chris Bray; Glossy black-cockatoo and Kangaroo Island dunnart surveys and oyster reef construction, Kangaroo Island Landscape Board; Remarkable Rocks, Kangaroo Island National Parks and Wildlife Service; Christmas Island survey, Rosie Willacy; Pennington Bay, Andrew Schofield.