Summary[edit] Description: Little Grassbird (Megalurus gramineus) ssp Megalurus gramineus gouldburni Lake Wallace, Blue Mountains, NSW, Australia 10th. February 2008 690V2079. Date: 10 February 2008, 15:07. Source: Little Grassbird (Megalurus gramineus). Author: Lip Kee from Singapore, Republic of Singapore. Camera location33° 30′ 21.25″ S, 150° 11′ 28.84″ EView all coordinates using: OpenStreetMap-33.505904; 150.191345.