Round the other side of the island, birds began to appear from all sides, particularly Whistling Kites and Silver Gulls.
However, there was also a pesky speedboat with some youngsters aboard who came speeding round and round us. We sat tight and ignored them so they gave up in the end.
The dead tree is known as an Aboriginal Canoe Tree, of which there are many in the State, mostly along the Murray Rive I think. They all have a long fault, which would have been dug out and the tree shaped to form a canoe.
You can read more here:
http://www.murrayriver.com.au/about-the-murray/bark-canoe-trees/