Birds of Oregon and Washington 23 



in form, in color and perhaps in song. The 

 birds on this coast are probably, on the average, 

 larger than the same birds over the mountains, 

 and, in general, within the rainy belt, the colors 

 are darker. The difference in hue may be 

 accounted for by the fact that there is less sun- 

 shine here. Some of the same, or correspond- 

 ing varieties do not sing quite as much as do 

 the eastern birds. Again, birds of correspond- 

 ing kinds are not generally so numerous here as 

 further east though some varieties, common 

 to both sections, are more numerous than in the 

 Atlantic States. Song-birds are characteristic 

 of inhabited lands, and multiply in proportion to 

 human habitations in country districts. They 

 must have open country, shrubs, hedges, decidu- 

 ous trees of low and high growth, and the 

 protection of man. If the Pacific States use 

 diligent care, in a few years the song-birds of 

 this coast will be abundant. 



I say above that there are many birds on this 

 part of the Pacific coast unlike those on the 

 Atlantic. In this book, I have described or 

 mentioned about one hundred and fifty of the 

 birds of this section. All but about a dozen are 



