Looking at the table, I'd say Diderick common, the rest of the cuckoos rare.
But if the white-headed vulture is rare, the Cape must be as well.
Peregrine isn't even on all the lists for the KTP.
Hamerkop seems rare according to the list.
Lesser kestrel is rare according to the list.
Jackal buzzard is
Even speckled pigeon, African scops-owl, fiery-necked nightjar, European roller, European bee-eater, purple roller, red-crested korhaan, three-banded plover, blacksmith lapwing, green woodhoopoe, grey hornbill, goldentailed woodpecker, spike-heeled lark, pink-billed lark, Cape penduline tit, garden warbler, greater-striped swallow, spotted flycatcher, Cape wagtail, rock dove, southern grey-headed sparrow.