SILVER BUFFALOBERRY-SILVER SAGEBRUSH COULEE— Location: Montana; McCone County; 

 overlaps border of Sec. 19 and 20, T20N, R45E; 47° 28' N, 106° 1' W, AMS, 

 Jordan (NL 13-1). Continuity: Established 1977; 2 consecutive years. Size: 

 25 ha = 61.8 acres (square, paced). Description of Plot: See AB 32:108 

 (1978). Coverage: May 26, 27, 29; June 16, 18, 19, 20, 23; July 20; 9 

 trips, 0455-2030. Total man-hours: 14.8. Census: Western Meadowlark, 7.5 

 (30, 12); Lark Bunting, 7 (28,11); Mourning Dove, 6 (24, 10); Horned Lark, 

 4 (16, 6);Common Nighthawk, 3 (12, 5); Brown Thrasher, 3 (12, 5); Loggerhead 

 Shrike, 3 (12, 5); Eastern Kingbird, 2; Brown-headed Cowbird, 2; Ring-necked 

 Pheasant, 1; Red-tailed Hawk, +. Total: 11 species, 38.5 territorial males 

 or females (154/km^, 62/100 acres). Visitors: Sharp-tailed Grouse, Cliff 

 Swallow, Yellow Warbler, Brewer's Blackbird, Grasshopper Sparrow, Lark 

 Sparrow. Remarks: Seven nests were located on the plot: Ring-necked 

 Pheasant, 1 (17 eggs); Common Nighthawk, 1 (2 eggs); Mourning Dove, 1 

 (1 egg); Loggerhead Shrike, 3 (1 with 4 young, 1 with 5 young, 1 with 

 6 eggs); Western Meadowlark, 1 (2 young, 2 eggs, 1 Cowbird egg). In addition, 

 an Eastern Kingbird nest (with 4 young) and another Western Meadowlark nest 

 (with 5 eggs) were found within 10 m of the boundaries of the plot. A pair of 

 Red-tailed Hawk nested 0.8 km (0.5 miles) from the plot. Also seen on the plot 

 were Prairie Rattlesnakes and Mule Deer. 



58 



