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JER-FALCON. 
PLATE XII. 
Falco Islandicus, . : : LatHam. GMELIN. 
Kaleo Gyrfalco, : ‘ . Linnzus. Burwick. 
Gyrfuleco candicans, : . FLEMING. 
Tue noble and magnificent Jer establishes its eyrie 
not only on the highest and most inaccessible rocks, 
but also occasionally in cliffs that are of lower elevation, 
both those of the sea coast and those of inland lakes; 
and, like so many other birds, when engaged in the — 
task of incubation is particularly daring in attacking 
any aggressor. 
The nest is composed of sticks and roots, and is 
lined with wool, moss, sea-weed, or probably any soft 
substance suitable for the purpose which the builders 
can procure. The Jer-Falcon is supposed to be in the 
habit of appropriating to itself the deserted nest of 
other birds. 
The eges are described as being of a light ycllowish 
brown colour, dotted with rusty red, with here and 
there an occasional patch of the same; or dull white, 
mottled all over with pale reddish brown. ‘They are 
said to be two or three in number, and of an extremely 
elegant appearance. 
One variety is of a reddish cast, mottled all over, 
particularly at the larger end, with dashes of a brighter 
hue, with a very few occasional spots of yellowish 
white. 
