123Movies. Pete Walsh has been working on a new film project since the release of the popular ABC documentary, "Platypus Guardian" which chronicled his incredible connection with the platypuses in the Hobart Rivulet, and his tireless work to protect them. His new short film called “Becoming Platypus” follows two females, and tells the captivating story of their ecology, behaviour, and the challenges they face in the waterways through footage captured by Pete during countless hours of observation.