I doubt that a duck's working week is all that arduous (scrounge bread crusts from breakfasting office workers, go for a swim, scrounge bread crusts from lunching office workers, go for a swim, etc) but the smile and body pose on this one suggests a duck who is disproportionately pleased about the arrival of the weekend.
Getting the exposure even close to what I wanted was a pain with a lot of these shots; even though I was trying to meter on the ducks (albeit without resorting to the manual metering modes, which I need to put more effort into learning) I was still often getting blown highlights in the ducks' feathers. This one was OK, the others not so much even when I started using exposure compensation. That's another area to work on.
This shot vied for PAD contention with 4578 (Mob Hit, link here), but I figured that this better summed up the mood of the day despite the forecast top temperature of around 40 degrees Celsius. For those of us more partial to temperate weather, that can put a downer on any day. (Sydney's springs and autumns make up for its summers but oh, the summers!)