grass on the ground (in contrast to rockfowl, which build mud nests in colonies). The clutch size is two eggs for the Cape rockjumper and two or three eggs for the Drakensberg rockjumper. Both sexes incubate the clutch for 19–21 days. Chicks fledge at 19–21 days, although they are fed by the parents and helpers for up to 4 weeks following fledge. References Higher-level bird taxa restricted to the Afrotropics