Eagles and Gyrfalcons 



349. 



349. Golden Eagl« [Aq^iiiia ckrysaetos). L, ,3^, 30- 

 35: ?, 35-40; Ex. d", 78-84; 9, 84-90. (Ridgw.) Legs 

 feathereJ to toes. Ads. Back of head and nape paler 

 than body; basal two-thirds of tail white. Yng. Base 

 of tail with broken grayish bars. NoUs. A shrill, 

 kee-kee-kee, and, when alarmed, kiak-kiah repeated a 

 number of times. (Bendire.) 



Rang? — Northern parts of norlhem hemisphere; in America south 

 Into Mexiro: rare east of Mississippi, more common in Rocky Mounl- 

 ainsand mountains of Pacilic coast. 



352. Bald Eagle {}Hali(eetus Jrucocephalm). L. ^, 

 33; 9, 35; Ex. c?, 84; 9. 89. Legs iiai feathered to 

 toes. Ads. Head, neck and tail white. Yng. Head 

 and body blackish, more or less varied with white; 

 tail blackish mottled with white. Notes. Of the male, 

 a loud, clear cac cac-tuc; of the female harsh and brok- 

 en, (Ralph.) 



Range.— Nortli America breeding locally throughout Its range, more 

 frequently near the Atlantic coast; resident in United Slates. 



352a. Alaska Bald Eagle (H. /. alascunus). Simi- 

 lar to No. 352, but larger. W. ^, 23.8; 9, 24.6; T, 



C?, 1 1.5; 9, i2,Tar. 5'-4-i; 9.3-?- (TownSend.) 

 Range . — Alaska . 



353. Vi/hiie Gyrialcon {Fali:otslandus). L. (^, 22; 



9i ^^- T.nr.siis feathered in front nearly tn toes; only 

 oiiter primary notched. Under tail coverts ^af^i white. 

 Ads. Below while with few or no black markings. 



Yng, Dark areas above larger, below with elongate 

 blackish spots. 



Range. — Arctic regions. In America south in winter caEually to 

 Maine. 



354. Gray Gyrfalcon [Falco rusHcolus). L. ^, i-z; 

 9, ^4. Tarsus feathered in front nearly lu tues; only 

 outer primary notched. Under tail coverts with dusky 

 margins. Ads. Crown usually more white than 

 dusky; above harred'wW'n blackish and grayish; below 

 white, breast streaked; sides and legs barred with 

 dusky. Yng. Above dark brown hrown with broken 

 buffy bars and margins; tail with white and brown 

 bars of nearly equal width, below white everywhere 

 Streaked with blackish*. 



Range.^Arctlc regions; south in winter to the northern bor4er oi 

 the United Stales; casually as far as Kansa; and Maine. 



354a. Gyrfaloon (F. r. gyrfalco). Similar to No. 

 354, but head usually with more dusky than white; 

 back in ad. indistinctly barred with grayish, Yn§. 

 With dark stripes of lower parts usually about equal in 

 width to white interspaces. 



Range,— " Northern Europe and Arctic America, from northern tabra. 

 dor and coasts of Hudson Bay to Alaska" (Rldgw.) ; south In winter 

 casuallv, to northern border of United States as far as Long Island, 



354b. Black Gyrfaloon (F. r, obsoletus). Similar 

 to No. 354, but much darker; above plain dusky with 

 few or no buffy markings; below dusky margined with 

 buffy, the former prevailing. NoUs. A chattering 

 ke-a, ke-a, ke-a, blending into a rattling scream. 

 (Turner.') 



Range. — Labrador; south In winter to nortbem New England; cas ■ 

 ually to Long Island. 



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