I50 FALCONIFORMES CHAP. 
siderable duration, and the young remain long in the nest—four 
months, it is said, in the Limmergeier; the longevity, too, of 
Eagles is notorious, a span of a hundred years having been actually 
recorded. Unconscious mimicry is shewn by Accipiter pileatus, 
which assumes the garb. of Harpagus diodon near Rio Janeiro. 
roup apparently links the 
O 
ro) 
Sub-fam. 1. Gypaétinae-—This 
Fic. 39.—Limmergeier. Gypaztus barbatus. x 4-4. 
Vulturidae to the Falconidae, but seems nearer to the latter. 
Gypaéttus barbatus, the magnificent Lammergeier, 1s greyish-black 
with white streaks, and has a white crown, cheeks with a black band 
bifurcating at the eye to meet above, and pale tawny lanceolate 
plumage on the neck and lower parts. Dense black bristles cover 
the nostrils and lores, and a black tuft, which gives the name of 
“ Bearded Vulture,” projects below the mandible. The sclerotic 
