No owls do not. Vultures, flamingos, storks, herons, gannets, boobies, and condors all do but owls rapidly vibrate the muscles and bones in their throats to expose moist membranes to air. This allows for more effective evaporation.
According to the book, the Tin Man ruled over the kingdom that used to be ruled over by the Wicked Witch of the West. Scarecrow ruled over Emerald City until the rightful ruler, Ozma, was found and was then her advisor with his newly acquired brains. The Lion was returned to his forest where he ruled the beasts as their king.
There used to be but now it is usually done on various online web pages.