I see no sign of Snively.
4 seconds sound clip from the Yogi's First Christmas (1980) movie soundboard.
You can hear this line at 01:09:11 in the Blu-ray version of the movie.
Quote context
[...]
- Yeah, that's right. We should all be having our winter snooze... Okay, we'll let them sleep.
- This is Ranger Smith calling Yogi Bear. Yogi, wake up.
- Yes, sir. Uh, where are you, sir?
- Inside your walkie-talkie, that's where.
- Huh? Oh, I get it. You're in the chopper.
- Do you have anything to report?
- No, sir, Mr. Ranger, I have nothing to report... Except an accident.
- I swiped that during last year's Christmas carnival. Took it off a snowman... This one too. His elf.
- Hey, then you're the mysterious character who caused all the trouble last year.
- Herman, would you like to unravel this year's carnival too?
- I've been trying, but this is the last day of the carnival.
[...]