July, 1909 ANNOTATED LIST OF TIIE BIRDS OF THE BARR LAKE DISTRICT 
117 
uncommon during migration. Nests commonly along the prairie streams east 
of Barr. 
Archibuteo lagopus sancti-johannis. American Rough-leg. Common during 
migration. 
Archibuteo ferrugineus. Ferruginous Rough-leg. Very common during 
migration. 
Aquila chrysaetos. Golden Eagle. Winter resident; common. 
Haliaeetus leucocephalus. Bald Eagle. Resident; not common. 
Falco mexicanus. Prairie Falcon. Migratory; not common. 
Falco peregrinus anatum. Duck Hawk. Common during migration. 
Falco columbarius. Pigeon Hawk. Rather common during migration. 
NEST AND EGGS OF KITED EE R 
Falco columbarius 'richardsonii. Richardson Merlin. Migratory; rare. Only 
two definite records from Barr that we know of. 
Falco sparverius. Sparrow Hawk. Summer resident, abundant. The com- 
monest hawk in the Barr district. Very rare in winter. One was taken near Barr 
about Jan. 1, 1909. 
Falco sparverius phaloena. Desert Sparrow Hawk. Summer resident, not 
common. (?) A few specimens referable to -phaloena have been taken at Barr. 
Pandion haliaetus carolinensis. Osprey; Fish Hawk. Not uncommon during 
migration. 
Asio wilsonianus. Eong-eared Owl. Resident; not common. Nests along 
the Platte River. 
