Following the track of the cat - The Bushmen of Namibia are so good at reading the language of footprints they can tell what a leopard did the day before they started pursuing it
R. Conniff, Following the track of the cat - The Bushmen of Namibia are so good at reading the language of footprints they can tell what a leopard did the day before they started pursuing it, SMITHSONIAN, 32(4), 2001, pp. 70