open humid habitats in the highlands of Eastern Africa. There is strong disagreement about
species diversity of the genus, because some authors accept two species, while others more
than ten. Species with relatively high surface activity, the giant root-rat Tachyoryctes
macrocephalus, which is by far largest member of the genus, and the more fossorial African
root-rat Tachyoryctes splendens, which eventually has been divided up to 12–13 species …