Oh, that's easy. Just give Saccharine a few sleeping squirrels and access to Lightwards' wardrobe, make Lightwards somewhat sleep-deprived and therefore especially unobservant, and watch the fun begin!
Lightwards heaved a sigh. "What is wrong with you, Claudius? It's food."
The vulture tilted his head, giving Lightwards a look that, had he been more given to anthropomorphizing, he might have thought meant "You want me to eat this crap?"
"Eat it. Now."
Claudius flew from his arm, perched in a tree, and used his wing to give the necromancer an especially rude hand gesture.
"I didn't know birds could do that," Aldo said slowly.