LITTLE EGRET. 485 
the dorsal plumes and crest-feathers are shorter. After the autumn 
moult the elongated crest-feathers and the dorsal plumes are not renewed, 
and only appear in the following spring. Young in first plumage scarcely 
differ from adults in winter plumage, whilst birds of the year are some- 
what intermediate between them, but have the base of the under mandible 
yellow. 
5 © Lode dil et Sc ae 
COMMON HERON. 
