THE BIRD-LIFE OF LONDON 
for the most part, but to some slight extent being moulted 
(Ibis, 1893, p. 440). ‘The young in first plumage are 
brown above with buff margins, the tail is banded with 
black, and the bill, tarsi, and feet are much less vivid. 
The full adult plumage is not acquired for several years. 
The young in down are brown, marked on the upper 
parts with blackish brown. 
