- What is that?
- What is that?
- Full moon.
- Colobus monkeys.
- That's monkeys?
- Mating season.

9 seconds sound clip from the Congo (1995) movie soundboard.

You can hear this line at 00:47:50.977 in the Blu-ray version of the movie.

Quote context

[...]

- The bad news is geothermal. You've got to hurry. That region in the Virungas is bad.

- Sometimes the volcanic activity is breaking out of the graph. The region's going to blow. Could be a week, could be sooner.

- Watch out!

- No! No, damn it! Not again!

- Oh, I'm terribly sorry.

- It's destroyed. It's completely destroyed.

- What is that?

- What is that?

- Full moon.

- Colobus monkeys.

- That's monkeys?

- Mating season.

- When there's a moon like that, every monkey for 200 miles thinks he's Elvis Presley.

- Aach!

- It's Amy's medical supplies. They can't get wet!

- Aah!

- Are you O.K.?

- No, I'm not O.K.!

- Oh, shit! Somebody help me.

- What is it?

- There's something on my... It's like a creature or a growth. There's something on my... Look.

[...]