Studied was a population of the hairy-footed gerbil, Gerbillurus paeba, ın the Alexandria dunefield along the eastern Cape coast, South Africa, from March 1981 to July 1982. G. paeba is the only resident rodent species and is endemic to this dunefield. A mark multiple-recapture study showed that the gerbil density was low, averaging 1,7 gerbils/ha. Annual population turnover occurred, with highest and lowest numbers being found in late summer and late winter, respectively.