’m back from my game drive, just settling down to check my photos. Suddenly I hear a squeal of terror from the waterhole. A kill! Peering closer, I can make out the gleam of writhing coils: a stripe-bellied sand-snake has just captured a frog and is now stretching its jaws around the still-struggling amphibian. Amazingly, another sand-snake has joined the fray and is attempting to swallow the frog from the other end. The two combatants twist and thrash, sinuous bodies intertwining as they contest
