Hooti
Apparently woodcutters in India took to wearing the face masks on the back of their heads to deter Tigers. One guy took it off while sitting on a log eating and a tiger grabbed him from behind... <img src="/forums/images/graemlins/blush.gif" alt="" />
Many tropical fish employ the same visual clue defence mechanism as do many butterflies. <img src="/forums/images/graemlins/grin.gif" alt="" />
Jim <img src="/forums/images/graemlins/cool.gif" alt="" />
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These are my own opinions based on wisdom earned through many wrong decisions. Your mileage may vary.