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BIRD ARCHITECTS 



Magaliesberg in the Pretoria district. It is common in the 

 National Zoological Gardens in March. 



In this locality we found the White-Breasted Sunbird 

 (C. leucogaster) by far the commoner species. Indeed, the 



Fig. 69. — Double-collared Sunbird : female at nest. 



latter bird was seen in parties of three to six individuals 

 during the last week in December, 1906, exploring the 

 native trees, then laden with fruit, for insects, and diligently 

 sucking the blossoms of a parasitic plant then in bloom. 

 In the Albany district of Cape Province the commonest 



