It may be mistaken for flood debris and is often constructed near it. A clutch of two or three tapered oval  eggs is laid; they vary from brownish-purple to pale brownish-white with darker spots or blotches.
This might be confused with flood rubbish and is typically constructed adjacent to it. A group of two or three tapered oval eggs are deposited; they range in color from brownish-purple to pale brownish-white with darker spots or blotches.