 A diurnal species, the eastern green mamba is active by day and sleeps at night coiled up in foliage or rarely a hollow within the trunk or branch.An agile snake and an adept climber, it is not commonly found on the ground though may come down to bask in the morning sun (thermoregulation).In a study of the movement patterns of two adult specimens over a 27-day period, the researcher found their activity range areas to be very low, comparable to other predators who ambush prey rather than actively hunt.