PETER CHADWICK / SCIENCE PHOTO LIBRARY PETER CHADWICK / SCIENCE PHOTO LIBRARY
Topi calves. Two topi (Damaliscus lunatus), or tessebe, calves. Females give birth to a single calf after a gestation period of 8 months. Calves are either hiders or followers. The mothers of hiders leave the herd to give birth and keep the calf hidden for the first few months of their life, while followers are concealed within the herd from birth. Male calves leave their mothers to join bachelor herds when their mother's next calf is born. Females remain with their mothers. Topi inhabit the grasslands and savannahs of sub- saharan Africa. They feed on grasses, including dry grasses not eaten by other grazers. Photographed in Vaalbos, South Africa.
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