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Although the three known nesting territories (Sections 3, 13, and 27) are relatively close <br />• together, most were occupied every year since 1996 (Table 2). Fledging success was not <br />determined in most years (1997-2003), but the continued occupation of the territories suggests <br />that eagles have not been affected by activities at the Seneca II Mine. <br />SANDHILL CRANE ACTIVITY <br />No nesting sandhill cranes were found on or near the Seneca II permit area during May <br />2003. However, one sandhill crane was heard calling from the vicinity of S W Section 11 or the <br />southern portion of Section 12 on the morning of 2 May. When biologists visited those areas no <br />cranes were observed. <br />LITERATURE CITED <br />Cannon, R.W. and F.L. Knop£ 1981. Lek numbers as a trend index to prairie grouse <br />populations. Journal of Wildlife Management 45:776-778. <br />Hoffman, R.W. 2001. Northwest Colorado Columbian sharp-tailed grouse conservation plan. <br />Northwest Colorado Columbian Sharp-tailed Grouse Work Group and Colorado Division <br />of Wildlife, Fort Collins, Colorado, USA. <br />2003 Seneca II Mine Wildlife Monitoring Page 10 <br /> <br />