It could be carried by an African swallow. Oh, yes! An African swallow, maybe. Not a European swallow. That's my point.
10 seconds sound clip from the Monty Python and the Holy Grail movie soundboard.
You can hear this line at 00:06:17 in the Blu-ray version of the movie.
Quote context
[...]
- Weill you go and tell your master that Arthur from the Court of Camelot is here.
- Please!
- Oh, yeah. I agree with that.
- Will you ask your master if he wants to join my court at Camelot?
- But then, of course, African swallows are non-migratory. So they couldn't bring a coconut, anyway.
- Wait a minute! Supposing two swallows carried it together?
- No, they'd have to have it on a line.
[...]