I am pretty sure they are doing fine. See them at my house in Pretoria quite often, and lots of them in Kruger. The clever people will probably give you all the info tomorrow
Here are just the most common facts:
Distribution:
Africa S of Sahara, s Arabia; in s Africa absent from most of highveld, KwaZulu-Natal, Cape, s Namibia and treeless Kalahari sandveld; extends S to Petrusburg and Bloemfontein (Orange Free State) in W and n KwaZulu-Natal in E.
Status:
Common resident; some local seasonal movements in Zimbabwe.
Habitat:
Bushveld, savanna, woodland.
Habits:
In pairs when breeding; otherwise gregarious in small groups or large dry-season concentrations of 100 or more birds. Forages in trees, rarely on ground; hawks insects in flight. Flight undulating, buoyant and dextrous; tail raised on alighting. Frequents grassfires. When calling flaps wings and points bill upwards.
Food:
Insects, solifugids, rodents, frogs, chameleons, seeds, fruit, peanuts.
Breeding:
Season: September to December (mainly October-November) in Zimbabwe, February-March in Namibia (after rains), October to November in Transvaal. Nest: Natural hole in tree, lined mainly with bark flakes; 3-4 m above ground; usually with chimney or funkhole above entrance; floor of hole about 10 cm below entrance; minimum size of entrance hole 2,5 cm wide, 3,5 cm high; diameter of nest chamber (20) 15-23,2-32 cm. Clutch: (25) 3-4-5 eggs. Eggs: White; measure (34) 37,4 x 26,9 (33,9-40 x 25-28,3). Incubation: (5) 24-25-26 days by female only. Nestling: (10) 43-45,5-49 days; female breaks out of nest 19-24 days after first egg hatches; nestlings re-seal entrance unaided.