You have a natural talent to anger while under the form of a duck. You have advantage on Charisma checks (Intimidation) made to taunt or anger a creature while under the effects of the Polymorph spell, assuming the creature you polymorph into is a duck, goose, or similar bird. Additionally, after you succeed on taunting a creature, that creature has Disadvantage on ability checks and attack rolls while within 20 ft of you for 3 rounds.