Birds of Prey. 



117 



that species b\' its red tail, 

 which has one sub-terminal 

 bar of black on it. There is 

 nothing in its habits different 

 from those of other species of 

 Buzzards. 



THE RED-SHOULDERED 

 BUZZARD. 



{Bntt'o lineatiis.) 



This is another North- 

 American species which is 

 supposed to have occurred 

 once within our limits, a 

 specimen having been said 



to have occurred in Inverness-shire in 1863. Its home is in North America, and 

 even the single occurrence in Great Britain is considered to be doubtfullv authentic. 



The principal difference between a Buzzard and an Eagle 

 exists in the different configuration of the hmder aspect of 

 the tarsus. In a Buzzard this is transversely scaled, while 

 in an Eagle it is reticulated or covered with a ' net '-like 

 pattern of scales. In the case of some of the true Eagles and 

 of the Rough-legged Buzzard-Eagle, this character is difficult to distinguish when 

 the entire tarsus is clothed with feathers. 



The present species is intermediate between the true Buzzards and the true 

 Eagles, being much smaller than any of the latter and differing from them in the 



shape of the nostrils. The Buzzard- 



The Red-shouldered Buzzard. 



THE 

 ROUGH-LEGGED 

 BUZZARD-EAGLE. 



[Archibuteo lagopus.) 



The RouciH-LEcnED Buzzard-Eagle. 



Eagle has been supposed to breed 

 in Scotland, but no satisfactory 

 evidence is, as yet, forthcoming, 

 and the species is generall}' known 

 as an autumn visitor on migration 

 to all three Kingdoms, but 

 especially to Scotland. On the 

 Continent it breeds in the north, 

 in Scandinavia and Northern 

 Russia, as far as the valley of 

 the Lena. In man}' of its ways 

 the present species is said to re- 

 semble the Eagles, frequenting 

 the open country, and feeding on 



