24 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 134 
half a dozen or so. The species apparently is averse to long flights 
over water. An immature male was taken on January 28. 
BUTEO MAGNIROSTRIS PETULANS van Rossem: Large-billed Hawk, 
Cuiscui 
Buteo magnirostris petulans vAN RossEM, Condor, vol. 37, No. 4, July 15, 1035, 
p. 215. (Lion Hill, Canal Zone.) 
This hawk undoubtedly is more common on Coiba than any of 
the other species of its family. I saw it at first in small trees along 
a = 
Ny 7s bean saps 
eof “a jw? 
iy or yy 
4 dh ey : vik wh na 
f! ai yO ne y se 
Fic. 1.—Large-billed Hawk, Cuiscui. 
the fences in pastures, and then more commonly in the second-growth 
brush that covered old fields in which cultivation had been abandoned. 
As I became more familiar with the island I found that it also ranged 
inland over the high forest crown, where apparently the undulating 
surface of the leaf canopy and the smaller branches immediately be- 
low, lying in the sun, afforded as favorable hunting ground as the old 
