324 ON SAFAEI 



Besides the larger kinds, there were also at Man and in the 

 Sotik, as well as all over the wooded districts of East Africa. 

 Hornbills of a smaller genus, distinguished as Lophoceros, some 

 of which 1 have endeavoured to sketch (see jDp. 17, 199, 200, 

 251). These included— 



Crowned Hornbill — L. mclanoleucus. 

 Black-and-white Hornbill — L. fasciatus. 

 Red-billed Hornbill — L. crythrorhynchv.s. 



All the hornbills, great and small, are very noisy birds. 

 Some species of this group, Lophoceros, have the curious habit of 

 imjirisoning the female while she is sitting on her eggs. The 

 nest is placed in a hollow tree, the entrance to which the male 

 plasters up with clay, leaving only a narrow slit through which 

 he feeds the incubating female. 



Nightjars 



Pennant-winged Nightjar — Cosmetoniis vexiUariiis. Abund- 

 ant in bush-clad ravines and on wooded river-banks, 

 such as Athi. Several will rise close by, and settle again, 

 often squatting down on bare sand, within a few yards. 

 The long streaming plumes or "pennants" (see sketch, 

 p. 211) are only assumed at the breeding period — April. 



Racket-winged Nightjar — Macrodipteryx maci-odipterus. In this 

 also the long, tufted plumes are only acquired at the 

 nesting-time. The bird then, when flying, gives the 

 impression, in the dusk, of being three birds — a big one 

 with two smaller mobbing it. Baringo is one locality ; 

 but it is not common. 



Salvadori's Nightjar — Caprimulgusfrcnatus. A small Nightjar, 

 common in the Mau and on the highlands, but replaced 

 on Athi and the coast by the 



Mozambique Nightjar — C. fossei. Abundant from Athi to 

 Mombasa, and audible everywhere after sundown. 



Donaldson-Smith's Nightjar — 0. doiialdsoni. A small species, 

 very noisy. Common. At Baringo I found a nest with 

 two eggs, on bare ground, on August 29 — unusually 

 late. 



