$60 THE LONG-EARED OWL 
Range in Washington.—Common resident east of the Cascades, less com 
mon in winter; rare west of the mountains, during migrations only. 
Authorities. Otus wilsontanus, Cassin, “Illustrations,” (1856) p. 18 
sio americanus Brewster, B. N. O. C. VII. 1882, p. 27. T. C&S. Rh. D*. D2, 
/ 
Specimens.—U. or W. P. Prov. C. BN 
OWING to the fact that this Owl is strictly nocturnal in its habits, more 
so perhaps than in the case of any other species, what may be learned of it 
other than at nesting time can be written on the fly-leaf of a pocket-book \ 
glimpse of it west of the Cascades is a mere lucky accident, for cover abounds 
and the bird 
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