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 L £ui^c J,l et f<- 



COMMON HERON. 



