A behavioural study of sleep patterns in the malachite sunbird, Cape white-eye and fan-tailed widowbird

The function of sleep in birds is poorly understood, even though birds spend a large part of their lives sleeping. Sleep behaviour in passerine birds has not been looked at as extensively as that of nonpasserine birds. We looked at the sleep behaviour of three passerine birds occurring in southern Africa, namely the malachite sunbird, […]