Red-tailed Hawk . Only two red-tailed hawk nests were known to be active 

 in the Mine Study Area in 1981. The nest located 2.5 mi WSW of the Dreyer 

 ranch house again fledged two young; the nest near stock pond MClO (3.5 mi WNW 

 of the Dreyer ranch house) contained at least two young. In May 1982 a pair 

 were observed at the nest near MClO and another pair were observed at the nest 

 at NC31. 



Swainson's Hawk . Only one Swainson's hawk nest was known to be active in 

 1981. This was a new nest located about 1 mi NE of the Waller ranch house. 

 It fledged two young. A Swainson's hawk was observed in the area in Mav 1982. 

 A pair were observed on the nest near lek #7 on Nelson Creek in May 1982. 



Ferruginous Hawk . Three ferruginous hawk nests were known to be active 

 in 1981. One, located near the 1979 nest site about 2 mi NNW of the Dreyer 

 ranch house, fledged two young in 1981. Another, located near the 1977 nest 

 site about 2 mi NW of the Waller ranch house, fledged one young bird. A third 

 nest, newly occupied in 1981, was located about 2 mi SW of the Dreyer ranch 

 house and fledged one young bird. A nest about 4 mi WSW of the Dreyer ranch 

 house, which was active in 1979, was again unoccupied in 1981. 



Golden Eagle . Neither of the two known golden eagle nest sites were 

 active in 1981, although adults were seen near the 1977 nest site. 



Marsh Hawk . Although territorial pairs were observed in many places 

 within the Mine Study Area, only one nest is known to have fledged young in 

 1981. This nest site' was located about 2.5 mi N of the Waller ranch house, 

 and fledged at least one young bird. 



Prairie Falcon . The 1977 nest site contained three young on June 20, 

 1981. At least one young bird was fledged. 



American Kestrel . No active Kestrel nests were found in 1981. 



Sharp-tailed Grouse . Spring 1981 counts of sharp-tailed grouse at known 

 leks within the Mine Study Area were as follows: lek No. 6, six birds on 

 March 25; No. 7, three birds on April 15; No. 13, 14 birds on March 25; No. 

 14, seven birds on March 25; and No. 15, seven birds on March 25. A new lek. 

 No. 16, was discovered in the southeastern corner of Sll, T20N, R45E; four 

 birds were counted there on April 15, 1981. 



April-May 1982 counts of sharp-tailed grouse were as follows: lek No. 5, 

 eight males and two females; lek No. 6, 15 males; lek No. 7, seven males, two 

 females; lek No. 14, eight males; lek No. 15, six unidentified birds; lek No. 

 16, 16 unidentified birds. No count was made at lek No. 17 (T20N, R45E, S34, 

 SWt;) in 1982. Four new leks were discovered in 1982. These are: lek No. 18, 

 T20N, R45E, S20, SE^, eight males; lek No. 19, T20N, R45E, S7, NE^, eight 

 males; lek No. 20, T20N , R45E, S7, SW^, five males; lek No. 21, T21N, R45E, 

 S31, northcentral portion, five males. Birds were seen from the air in T19N, 

 R45E, S24, but no count was made. 



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