Vote in the poll. Personally, I think the answer is geese, but there's no wrong answer when you're talking about birds that suck.
Poll
What kind of bird is worst?
This poll is closed
-
1%
Pelicans
(2 votes) -
37%
Pigeons
(50 votes) -
10%
Geese
(14 votes) -
33%
Seagulls
(45 votes) -
9%
Turkeys
(12 votes) -
7%
Other, to be explained in the comments.
(10 votes)