Colin O’Donnell (Department of Conservation) a Principal Science Advisor for DOC based in Ōtautahi. He been working on braided river wildlife since the late 1970s, particularly on fauna surveys and habitat use studies of river birds. He maintains a number of long-term monitoring databases for braided river bird populations. Colin’s research focuses on threatened species and threatened ecosystems, especially the ecology of rainforest bats and birds, developing predator control techniques for forests, wetlands, braided rivers, and alpine ecosystems, and developing monitoring methods for lizards and invertebrates.