Freshwater crocodiles snap at bats swooping towards the water at Fitzroy Crossing, north-western WA.
Photographer orca1 writes on ABC Contribute: "I couldn't believe my luck when I managed to get this shot. I was like a little boy jumping around in my boat after seeing the digital image on the screen. Take note of all the crocs sitting in the water waiting for their moment of chance."
Larger image: http://www.abc.net.au/reslib/201002/r521400_2893300.jpg
Croc versus bat - ABC News (Australian Broadcasting Corporation)