People who work with lorikeets tend to regularly complain about their bird’s poo. It’s a runny, sticky, noxious substance, that I half-jokingly argue has the corrosive power to melt concrete. If that’s not bad enough – lorikeets happily shoot it on a 45-degree angle. None of this business of a nice clean drop straight through a grille at the base of a cage! Lorikeets are happiest if they can “paint” nearby walls.

That’s an ...