~ 
~ 
EEEVENTEH ANNUAL (REPORT. ] 
ELF OWL AND GREAT GRAY OWL. 
States. Thus the range of the snowy owl is greater in extent, both 
to the north and the south. 
The Great Gray is one of the largest owls in the world, measur- 
ing twenty-seven inches in total length. 
In its breeding haunts about Great Bear Lake and throughout 
Alaska, the sun never sinks below the horizon in summer, so that 
this bird is of necessity diurnal, during at least part of the year. 
A nest of twigs, lined with moss and feathers, is built in a tall 
