All birds should remember, the possum said, when there's no escape, you have to play dead.
5 seconds sound clip from the The Swan Princess movie soundboard.
You can hear this line at 00:45:47.120 in the Blu-ray version of the movie.
Quote context
[...]
- All right, don't panic. Don't panic. Uh...
- We'd better think of something quick, or else we're dead ducks.
- All birds should remember, the possum said, when there's no escape, you have to play dead.
- Heh-heh. Gives it the right touch, yes? Wait till I give you a...
- Ha-ha! That'll put some distance between us.
- I hope that pudgy Puffin knows what he's doing.
[...]