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ZOOLOGICAL GARDENS. 



often found in large bands, but generally pair together 

 with the strictest constancy. The females lay from two 

 to five eggs. Their flight, like that of most gallinaceous 

 birds, in consequence of the shortness of their wings, 

 is low and heavy ; and in the performance of this action 

 they derive much assistance from their tail, the feathers 

 of which may be expanded in the shape of a fan. 



All the birds of this genus appear to be known in 

 Brazil by the name of Jacu, pronounced Yacou, derived 

 according to Marcgrave from their note. This, as might 

 be expected from the conformation of their trachea, is 

 extremely loud, insomuch that when a considerable 

 number are collected near the same spot, the very 

 woods, to use the expression of the scientific traveller 

 just quoted, reecho with their clamorous cries. 



