40 Fry, Seasonal Decline in Bird Song. [j"n 



(Crested Flycatcher) 



Goldfinch 



(Yellow-throated Vireo) 

 (House Wren) 



Wood Pewee 



Red-eyed Vireo 



Song Sparrow . ; 



Chipping Sparrow 



Towhee 



Black and White Warbler 



Flicker 



Barn Swallow 



Field Sparrow 



Grasshopper Sparrow 



Kingbird 



The following eight species underwent no decline : — 



Blue Jay 



Crow' 



Downy Woodpecker 



English Sparrow 



Chimney Swift 



Chickadee 



Starling 



Spotted Sandpiper 



