That said, I think one of the things lacking in Survivourman in particular is the lack of trail marking or leaving of signs. Even in the episode where SAR's search efforts were featured, I don't think Stroud ever left any clues for his would-be rescuers. I mean if you are going to be moving about, at least give SAR some help.

Actually, this was something I did like about a few of the Man vs Wild episodes I've seen; at least some of them showed Grylls leaving signs indicating where he was travelling.