NO. 2 FOSSIL AND SUBFOSSIL BIRDS — WETMORE 7 



size indicates that the bird, which appears to have been adult, was a 

 female. 



The ruddy duck has been identified in Pleistocene deposits in 

 Oregon, Cahfornia, and Florida. 



Family ACCIPITRIDx^E : Flawks 



Accipiter striatus Vieillot : Sharp-shinned Hawk. 



One individual : A right carpometacarpus, complete, is from a 

 bird of small size that agrees in dimension with males. 



The sharp-shinned hawk has been identified from the Pleistocene 

 of California and Florida, and from pre-Columbian cave deposits of 

 ancient but uncertain age on Great Exuma in the Bahama Islands. 

 Buteo jamaicensis (Gmelin) : Red-tailed Hawk. 



One individual: A left femur, with broken shaft and some wear 

 on the proximal end. 



The red-tail, widely distributed in modern time from northern 

 Canada to western Panama, has been found in several Pleistocene 

 localities in California and Florida. 

 Buteo lineatus (Gmelin) : Red-shouldered Hawk. 



One : Distal end of a right humerus, small in size. 



The red-shouldered hawk, found in eastern North America from 

 Minnesota and southern Quebec to central Mexico and Florida, and 

 west of the Rocky Mountains in California and Baja California, is 

 known from Pleistocene time in Florida and California. 

 Buteo platypterus (Vieillot) : Broad-winged Hawk. 



One individual : Distal third of a right tarsometatarsus, with the 

 trochlea intact. The specimen has the size of male birds. 



Broad-wings nest in eastern North America from southern Canada 

 to Texas and Florida, and in the West Indies. There is one report 

 of the species from the Pleistocene of Florida. 



Family TETRAONIDAE: Grouse 



Canachites canadensis (Linnaeus) : Spruce Grouse. 



One individual, possibly more: Distal third of left humerus ; distal 

 two-thirds of left ulna ; right tarsometatarsus complete. The humerus 

 in this species in length is similar to that of the ruffed grouse, but the 

 shaft is more slender, the internal condyle and the ectepicondyle are 

 slightly smaller, and the impression for the brachialis anticus is less 

 clearly outlined. The ulna is more slender, with the external condyle 

 smaller. The slightly shorter tarsometatarsus has the trochleae some- 



