4 
HISTORY OF 
gether of a pure white, with the exception of the quill feathers, 
which are black ; legs, feet, and base of the bill, of the same 
colour as the cere ; point of the bill, black. 
The adults of both sexes are similar, both in their colouring 
and plumage. The young of the year are of a deep brown, 
slightly spotted with lighter brown and white, and do not attain 
their adult plumage for two or three years. 
