Initially there were two, but the couple are now down to one offspring.
A few minutes later, as I was turning to go home, I caught sight of this immature white-bellied sea eagle perched in a tree overlooking the tidal flats seeking its dinner.
It was about 300m from where the oystercatcher chick was gamely stumbling over rocks trying to find sustenance before nightfall.
Life can be tough, even on Bruny. The magnificent young sea eagle is, according to all accounts, a regular along the tidal flats of Little Taylors that is on the right as you head out to the lighthouse along the appropriately-named Lighthouse Road.