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Active and inactive nests of six species: Red-tailed hawk (Buteo ~amaicensis), <br />Swainson's hawk (Buteo swainsoni) American kestrel (Falco syaruerius), great homed owl <br />(Bubo vir ing iana), long-eared owl (Asio otus), and Cooper's hawk (Acciviter cooneri) have been <br />found in aspen stands. Nests of the short-eared owl (Asio flammeus) and marsh hawk Circus <br />cvaneus) have been located on the mountain brush communities. <br />The golden eagle (Aquila chrysaetos), prairie falcon (Falco mexicanus) and the turkey <br />vulture (Cathartes aura) were observed hunting in the area. However, no nests were located nor <br />are any expected to be found within the permit area because suitable nest sites are lacking. The <br />sharp-shinned hawk (Acci~ter striatus) and goshawk (Acciviter ~entilis) aze potential nesters in <br />the permit area although no nests were located. The rough legged hawk (Buteo laeopus) is the <br />only species that occurs as a winter resident. <br />Habitat use by these birds varies, with aspen azeas receiving high use for nesting, but low <br />use for hunting. The opposite is true for the areas reclaimed to grass and forbes. No raptor <br />nesting is known to occur in these areas, however, these areas are used extensively for hunting <br />by the raptors. This reflects the high abundance and vulnerability of rodents and some small <br />birds as they prey in these areas. <br />No habitat can be identified as critical hunting habitat for any of these species. All <br />raptors were observed hunting in two or more habitat types. <br />Threatened and Endangered Species -The following is the current listing of wildlife <br />species in Colorado that are threatened, endangered or species of special concern at the state <br />and/or federal levels. Each species is described by common and scientific names, status and <br />occurrence and abundance in Routt County. <br />BIRDS <br />Common Name Scientific Name Status* Occurrence in Abundance in <br />Routt County Routt County <br />Whoo in Crane Grus americana FE, SE Likel to Occur No Occurrence <br />Least Tem Sterna antillarum FE <br />SE No Known or Unknown <br /> , Likel Occurrence <br />Southwestern Willow Empidonax traillii FE, SE Known to Occur Fairly Common <br />FI catcher extimus <br />Plains Sharp-Tailed Tympanuchus <br />' SE Known to Occur Uncommon <br />Grouse amesii <br />hasianellus <br />Piping Plover Charadrius melodus FT, ST No Known or Unknown <br /> circumcinctus Likel Occurrence <br />2.7-20 Revised 11/06 <br />