FALCONIDJE — BUTEONINM: EAGLES. 



697 



about 3 feet (or more) ; extent 6 or 7 feet ; wing 2 feet ( 9 ) or less {$); tail a foot, more ( 9 ) 

 or less {$). Three years are required to perfect the white head and tail of the " hald " Eagle. 



Fig. 474. — Bald Eagle. (From Tenney, after Wilson.) 



The fii'st year, tlie young are "black" Eagles : very dark colored, with fleecy white bases of 

 the feathers showing here and there ; bill black ; iris brown ; feet yellow. Next year, they are 



Fio. 47.''>. — Alaskan Wliito-lipa.U>>l EacU'. (L A. Fiiprtes.) 



"gray" Eagles, usually larger than nld liirds, tlic lar-ri'st luiuwii .•^pcciinens being of this age. 

 Young in down are sooty-gray. Nortii Anicrica anywhere, eonunon — for an Eagle ; pisciv- 



