FALCONIDA. 343 
THE ICELAND FALCON. 
Fatco 1stANnbus, J. F. Gmelin. 
In the Iceland Falcon the prevailing colour is either brown or 
grey, according as the bird is young or old, and in the adult the 
flanks are always more or less barred. The occurrences of this 
species in the British Islands appear, so far as evidence goes, to be 
less frequent than those of the Greenland Falcon, possibly because 
there is not the same necessity for migration; but identified 
specimens have been obtained in the Shetlands, Orkneys, Outer 
and Inner Hebrides, and in several localities on the mainland of 
Scotland ; also in Northumberland, Westmoreland, Yorkshire, and 
on Herm in the Channel Islands. In Ireland authentic examples 
have been captured in Donegal, Antrim, and near Belmullet and 
Westport in co. Mayo—the last in 1883. 
The typical form of this Falcon inhabits Iceland, where it breeds 
in precipitous cliffs above the numerous lakes—especially near 
