Johnston was puzzled by the okapi tracks the natives showed him; while he had expected to be on the trail of some sort of forest-dwelling horse, the tracks were of a cloven-hoofed beast.
Johnston undrede sig over de okapi-spor, de lokale viste ham, idet han havde ventet sig at se hov-spor fra en form for skov-levende hest, i stedet så han spor fra et klov-fodet dyr.