Bear Grylls definitely knows a thing or two about surviving in the wild.

Grylls sat down with Vanity Fair in a new video clip, in which he was asked whether certain scenes in numerous survival movies were realistic.

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One film the star had a lot to say on was “The Revenant” and the time he had to sleep inside a dead camel.

In the film, star Leonardo DiCaprio avoids freezing to death by cutting open a dead horse and getting inside it. Grylls insisted, “This totally works.”

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He added of the camel, “I gutted it and got inside it. I took the skin off as well and used that as a kind of blanket.”

Watch Grylls also discuss scenes from “Crocodile Dundee”, “Cast Away”, and “Bird Box” in the clip above.