ROSEATE TERN. 



279 



5^ inches). In the general colour of its plumage and the various changes 

 which it undergoes it closely resembles the group to which the Arctic Tern 

 belongs, except that in the adult the underparts are often suffused with a 

 roseate tinge. Bill black, red at the base ; legs and feet pale vermilion ; 

 irides hazel. 



Young in down of the Roseate Tern have the upper parts buff mottled 

 with white and grey, and the underparts pure white. 



