A hundred million years ago, there were mosquitoes just like today. And just like today, they fed on the blood of animals. Even dinosaurs.

12 seconds sound clip from the Jurassic Park (1993) movie soundboard.

You can hear this line at 00:25:17 in the Blu-ray version of the movie.

Quote context

[...]

- What? What? Well, Mr. DNA, where did you come from?

- From your blood.

- Just one drop of your blood contains billions of strands of DNA, the building blocks of life.

- A DNA strand like me is a blueprint for building a living thing.

- And sometimes animals that went extinct millions of years ago, like dinosaurs, left their blueprints behind for us to find.

- We just had to know where to look.

- A hundred million years ago, there were mosquitoes just like today. And just like today, they fed on the blood of animals. Even dinosaurs.

- Sometimes, after biting a dinosaur, the mosquitoes would land on the branch of a tree and get stuck in the sap.

- After a long time, the tree sap would get hard and become fossilized, just like a dinosaur bone, preserving the mosquito inside.

- This fossilised tree sap, which we call amber, waited for millions of years with the mosquito inside until Jurassic Park scientists came along.

- Using sophisticated techniques, they extract the preserved blood from the mosquito, and bingo: Dino DNA!

[...]