Updated to add another picture. Source.
'Then there was the time he and Jake Gyllenhaal, a friend since the actor appeared on “Man vs. Wild” last season, decided to go for a leisurely boat ride in the Santa Monica Bay. “We pull out of Marina del Rey and, I’m not joking, it’s like standing waves, 30 feet high. Absolute monsters,” Mr. Grylls said. “We just got smashed to bits.” “Hanging with Bear is not for the faint of heart,” Mr. Gyllenhaal wrote in an e-mail. “He is always pushing the limit, and it is infectious to be around.”'
I have it on excellent made up authority that sleeping inside a camel carcass is still on Jake's todo list.