CALLEN: Is that a frog?
SAM: It's a swan?
CALLEN: From where Chernobyl?
[Callen's looking at the *swan*.]
CALLEN: Is that wing?
SAM: Yeah. It's a wing.
CALLEN: Why are there three of them?
SAM: There aren't three of them. That's the tail.
CALLEN: The tail? ... Nothing. ... I just didn't know that swans had tails.
SAM: Well, they do. a duck has a tail, right?
CALLEN: Maybe. ... It could be a duck then.
SAM: Keep it up. You're gonna have to duck.
CALLEN: I'm just saying.