VULTURES AND RAVENS 



serious new phase in the economy of the Vulture, in the 

 June, 1907, number of the Journal of the South African 

 Ornithologists' Union. 



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The South African Griffon Vulture is generally of a pale 

 ashy brown colour, the tail and primary wing-feathers being 

 black, but the coloration of the bird varies considerably. 



