Birds from British East Africa. 
519 
159. Buteo augur. Augur Buzzard. 
Buteo augur Rupp. 
Iris brown ; cere yellow ; bill black, yellow at base ; legs 
whitish-yellow. 
A common species, but, like all the larger Hawks, of 
extreme wariness. A pair were breeding in a cleft in one 
of the precipices on the far side of Longonot. 
160. Milvus jEgyptius. Yellow-billed Kite. 
Milvus cegyptius (Gmel.). 
Iris hazel; bill and legs yellow. 
Contrary to the habits of all the other Hawks, this Kite, 
which was very common, was extraordinarily tame. At 
several of our camps on the Atlii it was always soaring 
round or sitting on the trees near, and would even fly down 
to where Mr. Groves was skinning birds and pick up bits of 
meat at his feet. 
161. Milvus migrans. Black Kite. 
Milvus migrans Strickl. 
Iris pale greyish-yellow; bill black, yellowish at base ; 
feet yellow. 
Certainly not obtained often, and, I think, not seen very 
frequently. It appeared to me to be rather rare. 
162. Elanus casruleus. Black-shouldered Kite. 
Elanus cceruleus (Desf.). 
Iris crimson; bill black, yellow at base ; legs yellow. 
Obtained at Naivasha and Kallima Theki. At the latter 
place it was fairly common, and two or three might often 
be seen sitting on the top of a tree, from which they would 
keep a sharp look-out all round. It was not particularly 
shy, and it was generally easy to get within gunshot. An 
individual which I tipped in the wing and kept alive for some 
weeks preferred insects and grasshoppers for food to birds 
or mice. 
163. Circus ^eruginosus. Marsh-Harrier. 
Circus aruginosus Savign. 
Iris yellow ; feet yellow ; claws black. 
The Marsh-Harrier was very common at Lake Naivasha. 
2 m 2 
