So, here we have emu-noise clip without noise -- but you can see she is 'hunkering down.' And you can even see her little wings waggle as shes pumping out those foomphs (which we can't hear!)
At 16-20 seconds you can just hear the female. You see raised feathers and the sideways boogie.
Note...
Hey, LMC. Welcome.
Here's the background: emooos make a range of noises, but most of those are made by both the males and females. Moreover, for me -- observing wild emus -- there are great clues in how the birds move about. For example, if wild birds come on to the turf of a breeding pair...