Stewart L MacDonaldDr. Stewart Macdonald has broad interests in natural history and technology, which led him to develop the Australian Reptile Online Database and several field guide apps. He has travelled extensively across Australia, particularly in the north, documnting the region's wildlife. He works as an ecologist with CSIRO, Australia's national science agency. While he studies a wide variety of creatures, including koalas and curlews, his true passion has always been reptiles. Read More Read Less