These are Skywalker Sound sound effects. They were most likely created by Christopher Boyes, and debuted in Dinosaur (2000).
The first moan is one of the takes of Jurassic Park, T-Rex - Exclamation Roar in a -24 pitch and it also includes a variation of Jurassic Park, Brachiosaurus Bellow.
Used In
Movies
- Dinosaur (2000) (debut)
- Jurassic Park 3 (2001) (Used for Brachiosaurus and Spinosaurus.)
- Jurassic World (2015) (Used for some of Indominus Rex’s distant roars.)
- Jurassic World Rebirth (2025)
- Ice Age: Dawn of the Dinosaurs (2009) (Used for some of Rudy’s roars.)
- Up (2009)
Video Games
YouTube Videos
- DinoMania
- Kasey Leitch NEXT GEN
- Michael Vespia (The Jurassic Park 3 Variant which was used for the Spinosaurus is also used for the Baryonyx in "Monsters of the Past card collection with sounds".)
Image Gallery
Audio Samples









