THERE ARE DAYS when a pig hunt can resemble a clash between Roadrunner and Wile E. Coyote: "I suddenly realized that I wasn't alone ... it had gone black, and an animal raced up the tunnel towards me ..." "I jumped up and put my feet into gear before my brain, charging off through the scrub with my head down and with my eyes half shut. I didn't want to lose an eye. Too late I realized my mistake when I ran straight off a bluff I was in mid-air and thought, 'Help, I have done it this time...' AND DAYS WHEN A SURPRISE IS IN STORE: "All was silent for a moment until I looked over the edge...