Martin:
The Fruit Bat Migration in Kasanka National Park has to be one of the great wildlife spectacles of the world. Every evening, just around dusk, 5 million straw coloured fruit bats take to the air. For 30 minutes or so the sky is black with bats as they stream out of their roosts in the forest in search of food. With a wing span of just under a metre they are Southern Africa's largest bat. Overnight they hunt for food and then in an orderly fashion they are all back again just before dawn to return to the colony. We watched two evenings in a row, once from the ground in the swamp and once from the "BBC hide" in the forest (built for the "Africa" series). We returned again very early in the morning at 4.30 to see the bats come home. I experimented a little with slo-mo on the camera in the video below which I think really brings out the beauty of their flight.