Possible Clues:

• Bird to relax, having eaten various bits of bread
• Fly enough to rob in this
• One tweets "ruddy brute" about Republican leader
• Robin runs into ruddy animal
• Bird breeds with rat, remarkably
• Robin left-wing as Bert's revolutionary?
• Bird basted, roaster cooked after oven cleared out
• Bird's left wing a source of nutrition
• Bird — star breed in trouble
• Bird about to get crumbled bread by stone