ELEVENTH ANNUAL REPORT 



177 



f^. 





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 twisfs. lined with moss and feathers, is built in a tall 



