I said Darren saw our pair of platypus with their baby, newly emerged from the burrow, here on the Araucaria property.  He took a video, with zoom, from the cliff top, and when he replayed it we realized there was not one baby but two!  They were swimming in circles, apparently play-chasing each other, their little tails and hind legs splashing energetically as though still getting used to this idea that they could really stay afloat and move through this strange new medium.

Having been so concerned that the platypus might never return after the massive flood of early 2008 destroyed burrows, creek banks and riparian vegetation, this was wonderful!