550 



FROM NORTH POLE TO EQUATOR. 



his fellows; but, as that season approaches, he becomes combative 

 and quarrelsome, in most cases through jealousy. For the sake of 

 mate and eyrie, he wages bitter war with others of his species. 



i'ig. 81. Sea-eagle and .Nest in a Uaiiube i-orest 



An eagle pair, once united, remain so for life, but only if the male 

 is able to protect his mate from the wooing of others, and to defend 

 his own eyrie. A male eagle, which has just reached maturity and 

 is exulting in the consciousness of his strength, casts his eyes 



