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~. ~:. • • <br />April, this lek was ground-truthed at dawn by BLM and Western Fuels <br />biologists. A total of 16 grouse were observed in two groups; one <br />group consisted of 12 males, the second group consisted of 3 males <br />and one female. No strutting was observed during this field <br />investigation (WIII Wright, Western Fuels Association, Lakewood, <br />Colo., pers. comm.). <br />l On 18 April, while flying toward the mine permit area, six male <br />1 sage grouse were observed strutting just south of the east-west <br />hogback that occurs in section 13 (Map 2). The birds could not be <br />found, however, upon returning to this site at a lower elevation. <br />The site was carefully searched on two subsequent flights, but again <br />no grouse were observed. Because of the uncertainty of the exact <br />location and number of birds at this lek, the symbol shown on Map 2 <br />~ Is accompanied by a question mark. <br />Qther Observations <br />l Wlid horses were observed at the extreme western end of the <br />corridor on most flights. Group sizes and locations are shown on <br />Map 3. Sightings which occurred outside the mapped area (indicated <br />1 as such in Table 1) were sightings that were made further to the <br />west, usually from 5 to 15 miles from the locations shown on Map 3. <br />J <br />Raptorial birds were Indentified when possible during all <br />l aerial flights. Sightings and indentificatlons are shown on Map 1, <br />I 2, and 3 and In Table 1. Presently a study Is befog conducted on <br />l Ferruginous hawks in the study area. For a recent report see <br />6 <br />