^ehrasha Ornitholooists' Union 



59 



able : — 



Killdeer 

 Bob white 

 Screech Owl 

 Burrowing Owl 

 Black-billed Cuckoo 

 Belted Kingfisher 

 Northern Flicker 

 Kingbird 

 Traill Flycatcher 



Western Lark Sparrow 



Arctic Towhee 



Dickcissel 



Bank Swallow 



Rough-winged Swallow 



Yellow Warbler 



Catbird 



Brown Thrasher 



2. Birds common to Sandhills and Prairie, which preierred 

 Sandhills : — 



Great Blue Heron 

 Prairie Chicken 

 Prairie Sharp-tailed 



Grouse 

 Mourning Dove 

 Marsh Hawk 

 Swainson Hawk 

 Sennett Nighthawk 



Arkansas Kingbird 

 Desert Horned Lark 

 Western Meadowlark (near 



Prairie) 

 Western Vesper Sparrow 

 Western Grasshopper Sparrow 

 Western Blue Grosbeak 

 Lark Bunting 



3. Birds common to Sandhills and Prairie, of equal distri- 

 bution over both: 



Upland Plover 



Western Field Sparrow 



Birds restricted in their choice because of the absence 

 of their accustomed habitat in the Sandhills. All of them 

 common to both regions in general but here restricted to 

 Prairie : 



Spotted Sandpiper 

 Redwinged Blackbird 



Barn Swallow 



The remainder are Prairie forms which keep to Prairie 

 habitats : 



Yellow-billed Cuckoo 

 Blue Jay 

 Orchard Oriole 

 Pale Goldfinch 

 Chipping Sparrow 



Bell Vireo 



Black-and- White Warbler 

 Maryland Yellowthroat 

 Long-tailed Chat 



(Note: — The absence of typical Sandliills birds is due to the 



