Photo 1991139, (c) Tan Kok Hui, some rights reserved (CC BY-NC)

Attribution © Tan Kok Hui some rights reserved Uploaded by kokhuitan Source Google Original https://picasaweb.google.com/107386319100895694067/OurBirdingTrips02?authkey=Gv1sRgCN2ljb7sgIm-qwE#5744622393263436658 Associated observations Photos / Sounds What Hardhead (Aythya australis) Observer kokhuitan Date December 16, 2008 02:30 PM ACDT Place Adelaide Botanic Garden (Google, OSM) Date Added June 12, 2015 05:16 PM +08 Description Adelaide 13-16Dec08. Tan KH. Hardheads 4 IDs Research Grade View Sizes small medium large original