A canary, you can walk right into a pet store, as long as you pay for it, boom, kill it right there. Put it on anyone you want. Doesn't matter.
7 seconds sound clip from the Taxi Driver (1976) movie soundboard.
You can hear this line at 00:19:57 in the Blu-ray version of the movie.
Quote context
[...]
- If a thief screws up on the job, you know, they'll blow his fingers off.
- I'll tell you something else. This sounds like a joke, but it's true.
- If they kill a stool pigeon, they leave a canary on the body. Apparently it's symbolic.
- Why not a pigeon instead of a canary?
- I don't know why not a pigeon. Wait a minute. You gotta catch a pigeon.
- Great. I'll take you right over here.
- That's all right. I'd rather volunteer to her, if you don't mind.
- Why do you feel that you have to volunteer to me?
[...]