Eyes, ears, no vocal cords. We are assuming they communicate with each other through some other means.

9 seconds sound clip from the Independence Day (1996) movie soundboard.

You can hear this line at 01:19:17 in the Blu-ray version of the movie.

Quote context

[...]

- Oh, yeah! Yeah, yeah, yeah, yeah.

- Well, I mean, they're not all that dissimilar from us. Breathes oxygen, comparable tolerances to heat, cold. Probably why they're interested in our planet.

- Hey! Hey! You guys wanna see them? Hmm?

- This is... This is the vault. Or, as some of us have come to call it, the freak show.

- When we found them, they were wearing some sort of biomechanical suits. Once we got them off, we learned a great deal about their anatomy.

- Eyes, ears, no vocal cords. We are assuming they communicate with each other through some other means.

- You're obviously not thinking about hand signals and body language.

- It's some kind of extrasensory perception, telepathy.

- So... It's an organic life form.

- Can they be killed?

[...]