EAGLES, HAWKS, AND VULTURES 



) NatioTial (/eoi^Taphic Society 



^Mfii«eiW<j ROUGH-LEGGED HAWK 



Upper; ordinary light phase; adult perched, 



immature flying 



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 A^J^r^J■(v^a^^^fl,. (z.srxA \WeVn , tV% < c.\(,t,^_ 



ApproxiinaLui)' (mil-^lx cnth natural size 

 FERRUGINOUS ^^e^e-H-fcE&eii^ HAWK *^' 

 Lower; adult in light phase (left), 

 dark phase flying (right) 



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IX 



