Bruce Dallas Howard stopped by “The Tonight Show” on Friday to promote “Jurassic World: Fallen Kingdom”, and host Jimmy Fallon was ready with a dinosaur-themed bit of fun.

Discussing how sound technicians captured animal sounds from all over the world that were then enhanced to give voice to the film’s dinos, Fallon and Howard offered up their own variation on the concept by recording their own impressions of various animals into an iPad.

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Using a special app, Fallon then combined the sounds with some digital trickery to create their own weird variations on dinosaur roars.

How well did it work out? Watch the video above and find out.

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