464 BROAD- WINGED HAWK. 



Falco pennsylvanicus, Ch, Bonaparte, Synops. of Birds of the United States, p. 29. 

 Broad-winged Hawk, Falco pennsylvanicus, Wils, Amer. Orn. vol. vi. p. 92. 

 PL 54. fig. 1. Male. 



Adult Male. Plate XCI. Fig. 1. 



Bill shortish, as broad as long, the sides convex, the dorsal outline 

 convex from the base ; upper mandible with the edges slightly inflected, 

 waved with a broad rounded lobe, the tip trigonal, descending obliquely, 

 acute ; lower mandible inflected at the edges, rounded at the tip. Nos- 

 trils oval, oblique. Head rather large, flattened above. Neck shortish. 

 Body ovate, broad anteriorly. Wings rather long. Legs longish, rather 

 robust, roundish ; tarsi covered before and behind with scuta ; toes cover- 

 ed above with scuta, scabrous and tuberculate beneath ; middle toe much 

 the longest, outer connected at the base by a membrane, and shorter than 

 the inner ; claws long, curved, roundish, very acute. 



Plumage ordinary, compact. Feathers of the head narrow, of the 

 back broad and rounded, of the neck oblong. Space between the bill 

 and eye covered with bristly feathers. Wing very broad, the primary 

 quills broad, slightly narrowed toward the end, rounded, the fourth long- 

 est, the secondary quills curved inwards, broadly obtuse. Tail longish, 

 nearly even, the feathers rather broad, truncated and rounded. 



Bill bluish-black at the tip, blue towards the base ; cere and margin 

 yellow. Iris hazel. Feet gamboge-yellow ; claws brownish-black. The 

 general colour of the upper parts is dark umber ; the forehead with a 

 slight margin of whitish, the quills blackish-brown, the tail with three 

 bands of dark brown, alternating with two whitish bands, and a narrower 

 terminal band of greyish, the tips white. Throat whitish ; cheeks red- 

 dish-brown, with a dark brown mystachial band ; the under parts gene- 

 rally light reddish, marked with guttiform, umber spots along the neck, 

 and sagittiform larger spots of the same colour on the breast and sides. 

 Tibial feathers of the same colour, with numerous smaller spots. 



Length 14 inches, extent of wings 32; bill \\ along the ridge, 1^^ 

 along the gap. 



Adult Female. Plate XCL Fig. 2. 



Colouring generally similar to that of the male, lighter above, more 

 tinged with red beneath, where the spots are larger and more irregular. 



