Table 15. Summary of 1979-80 changes in May-June sample abundances of 

 selected species sampled by five roadside survey routes, 

 Circle West study area. 



Species 1979-80 Change 



Sharp-tailed Grouse NS 



Ring-necked Pheasant NS 



Killdeer NS 



Mourning Dove NS 



Common Nighthawk NS 



Eastern Kingbird NS 



Horned Lark D* 



Black-billed Magpie I* 



Rock Wren NS 



Brown Thrasher NS 



Sprague's Pipit D** 



Loggerhead Shrike NS 



Yellow Warbler NS 



Common Yellowthroat NS 



House Sparrow NS 



Western Meadowlark D** 



Red-winged Blackbird NS 



Rufous-sided Towhee NS 



Lark Bunting NS 



Savannah Sparrow NS 



Grasshopper Sparrow D** 



Baird's Sparrow D** 



Vesper Sparrow NS 



Brewer's Sparrow D* 



Chestnut-collared Longspur D* 



NS=no significant change; D=signif icant decrease ;I=significant increase 

 *.01<P<.05 (paired t-test) 

 **p;.01 



-A5- 



