DIURNAL BIRDS-OF-PREY 



iS7 



continue to run till they fall from exhaustion. Nevertheless, they are strong, 

 although somewhat heavy flyers, and may often be seen circling with outstretched 

 wings high in the air, when they may be recognised by their long necks and legs. 

 Indeed, they are not sufficiently terrestrial in habit to lay their eggs on the ground, 



PILEATED SCAVENGEK-VULTURE. 



but build their nests of clay and mud on high bushes or mimosas. In size the 

 secretary-bird resembles a crane, while in colour it is uniformly grey, with black 

 on the neck and wings, and the plume mingled black and grey. The pairing-season 

 takes place in June or July, and in August the female lays three or four pure 

 white or speckled eggs about the size of those of a goose, which require a period 

 of six weeks before the young are hatched, during which time the male regularly 



