1914 ' BIRDS OF ARIZONA 25 



the state, in Lower and Upper Sonoran, and to at least the lower edge of Transi- 

 tion. There are breeding records from Picacho, Colorado River (Mus. Vert. 

 Zool.) ; Santa Cruz River near Tucson (Swarth, 1905a, p. 25) ; Huachuca Moun- 

 tains (Swarth, 1904b, p. 6) ; Santa Rita Mountains (Brewster, 1883, p. 30) ; San- 

 ta Catahna Mountains (Scott, 1886, p. 422); and Fort Grant (Coues, 1868, p. 

 82). It remains locally through the winter. 



92. Astur atricapilhis atricapillus (Wilson). 



Amicrican Goshawk. 



Synonyms — Accipiter atricapillus ; Accipiter atricapilhis striahthts. 



Status — There are very few records of the occurrence of this species in Ari- 

 zona : On San Francisco Mountain, where several were seen (Merriam, 1890, 

 p. 90) ; a few individuals in the Mogollons in May and on San Francisco Moun- 

 tain in June (Mearns, 1890a, p. 53) ; and in the Huachuca Mountains, where it 

 is a rare migrant (Swarth, 1904b, p. 6). 



93. Parabuteo unicinctus harrisi (Audubon). 



Harris Hawk. 



Synonyms — Morphnus itnioincttis; Craxirex unicinctus ; Craxirex harrisii. 



Status — Recorded from the Colorado River in February (Kennerly, 1859, p. 

 20), and at Ehrenberg in August (Stephens, 1903, p. yy). It ranges across southern 

 Arizona, and has been found breeding in the vicinity of Tucson (Bendire, 1892, 

 p. 202), and at the east base of the Huachuca Mountains, where a set of eggs 

 was collected June i, 1907 (F. C. Willard, MS). Seen on the San Pedro River, 

 in extreme southeastern Arizona, in February (Willard, 1910c, p. no). 



94. Buteo borealis calurus Cassin. 



Western Red-tailed Hawk."' 



Synonyms — Bntco borealis ; Buteo calurns; Buteo montanus. 

 Status — An abundant resident, found in all parts of the state. Breeds from 

 Lower Sonoran up through Transition, exact points of record being Rillito 

 Creek near Tucson, Camp Crittenden, Santa Catalina Mountains, and the pine 

 belt of the Mogollon Mountains. ' 



95. Buteo abbreviatus Cabanis. 



Zone-tailed Hawk, 



Synonym — Buteo zonocercus. 



Status^Generally distribvited throughout southern Arizona. Recorded 

 from many localities (Colorado River, Santa Cruz Valley, Rincon Mountains, 

 etc.) north to the Verde Valley, Prescott, and the Big Sandy. Numerous breed- 

 ing records, mostly in the Upper Sonoran zone: Tucson (Brewster, 1883, p. 

 30) ; New River (Mearns, 1886a, p. 60) ; Huachuca Mountains (Bendire, 1887, 

 p. 551) ; Rincon Mountains (Brown, 1901, p. 392) ; east slope of Santa Catalina 

 Mountains (F. C. Willard, MS). Except along the lower Colorado it seems to 

 go south of Arizona in the winter. Seen at Yuma in winter (Price, 1899, p. 91). 



