488 BIRDS. RAPACIOUS. Eagle* 



Inhabits the fouthern parts of Siberia, towards the Jaik and Ural. — It refembles the Ofprey, 

 N°. 39. but is fomewhat larger : The wings are dirty black, the inner webs of their quill feathers be- 

 ing white ; the tail is longifh, ftifF, and equal at the end ; the tongue is round, and undivided at the 

 tip ; the irides are brown grey ; the claws are very large and black. 



55 21. Ruffian Eagle. — 30. F. Aquila Mogilnik. 36. 



The cere is yellow ; the legs are downy, and, with the reft of the body, are dark rufty 

 brown, the back being mixed with white. 



Falco Mogilnik. Syft. nat. ed. Gm. i. 259. n. 56. Lath. ind. orn. i. 17. n. 28- — Aquila Mogil- 

 nik. S. G. Gmei. nov. com. petrop. xv. 445. t. 1 1. b. — Ruffian Eagle. Lath. fyn. i. 43. n. 24. 



Inhabits the deferts of Ruffia, near the Don. — Is about the fize of the Tawny Eagle, N°. 41. be- 

 ing two feet three inches long: The bill, pupils of the eyes, claws, and wing quill feathers are black; 

 the eye-lids are pale blue ; the irides are pale ; the tail is equal at the end, its quill feathers being 

 black, with flight greyifh tranfverfe bands, and reddifh tips. This fpecies lives on murine quadru- 

 peds and fmall birds. 



56 22. Crefted Eagle. — 31. F. Jquila crijlata, 57. 



The head is crefted ; the back, wings, and chin, are black ; the belly is white ; the tail 

 has four parallel am coloured bands. 



Falco criftatus. Syft. nat. ed. Gm. i. 260. n. 57. Lath. ind. orn. i. 17. n. 29. — Crefted Falcon.- 

 Dillon, trav. in Spain. 80. t. 3. — Caracca Falcon. Lath. fyn. i. 81. n. 64. 



Probably inhabits South America. — Is about the fize of a Turkey : The lower mandible of the bill 

 is remarkably ftraight, while the upper one is confiderably hooked. 



57 23. Rough-legged Eagle. — 32. F. Aquila hgopus. 58. 



The cere, and naked toes, are yellow; the legs are downy ; the body is black, fpotted 

 with white ; the tail quills are white, with black tips. Bnmn. orn. bor. 4. 



Falco lagopus. Syft. nat. ed. Gm. i. 260. n. 58. Lath. ind. orn. i. 19. n. 33. — Falco norwegi- 

 cus. Leem, lap. 236. — Graa-falk. AcL nidrof. iv. 417. t. 13. — Rough-legged Falcon. Brit. zool. 

 ii. app. 529. t. 1. Arch zool. ii. 200. n. 92. Lewin, brit. birds, i. t. 14. Lath. fyn. i. 75. n. 54. 

 fup. 18. 



Inhabits Europe and North America, but is feldom found in England. — Is about two feet two: 

 inches long : The head, neck, and breaft are of a yellowifh white, with a few fcattered brown 

 ftreaks. Mr Latham fays that the tail is brown, with a white bafe and tip ; and that it preys on 

 partridges and other fmall birds. 



58 24. Greenland Eagle. — F. Aquila groenlandica. 



The cere and legs are of a lead colour ; the body is brownifh on the upper, and whitifh, 



with longitudinal brown ftreaks, on the under parts. 



Falco 



