A goose. And trust me when I say they are a lot more temperamental than a duck. [She left out the part where it chased her but, that was for another day.]

[Taking a cookie from the bag she nodded. Soon she broke off part of it and held it out to one of the ducks who waddles over happily.] You had every right to be upset, it hurt but, unless it happens again I wouldn't hold a grudge.