Run round the bondu forwards at 6min/km pace. See this. Run round the bondu backwards at 0.6min/km pace. Stop. Look over shoulder. Realise it hasn’t moved. Approach at 0.6km/hr pace making lots of noise and scuffing trainers on gravel. Convince self that it’s dead. Run next km at 4 min pace just in case .... (it’s a young ((venomous)) Blunt Nosed Viper).