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Loggerhead shrike (Lanius ludovicianus),'Federal category 2 species; use has not been recorded on the review area. Potential breeding and • nesting habitat is present. Loggerhead shrikes are dependant upon the sagebrush and gambel oak shrub communities for breeding and nesting habitat in this region, during spring and summer. Their presence in this region during winter is uncommon. River otters (Lutra canadensis), State Endangered species; are not known to be present on the review area, however, the North Fork of the Gunnison River is considered suitable habitat. A population exists in the Gunnison Gorge 24 miles southwest of the proposed lease tract. Lynz (Fells lvnx), State Endangered species; It is possible for their use to occur in the region, although they are not imown to be present on the review area. The range of lynx in Colorado is believed to be confined to coniferous forests above 9,000 feet. Grand Hesa penstemon (Penstemon mensarum), Federal category 2 species; until recently was known to occur in this area only on the north side of the North Fork of the Gunnison River in the Hawksnes[ drainage. During July, 1994, it's presence was documented at eight locations on the review area b•~ Dr. Robert Dorn, o£ Mountain West Environmental Services. From his report to the Forest Service he wrote, "Above 7800 feet it was so abundant that it was difficult to find a relatively flat site 125 feet by 125 feet that did not have the plant. The plants were abundant along most of the roads and trails as well as in natural openings of the oak-serviceberry-chokecherry habitat which ~ covers thousands of acres in the vicinity, most of which has difficult • , access. Past exploratory drilling has actually helped the plants by providing openings for them to colonize." The following List of listed, proposed, or candidate species have the pot~ancial to occur in the region, and on the review area, but have not been found on the review area: Black-Footed Ferret Ferruginous Hawk Long-Billed Curlew Northern Goshawk Southwest Willow Flycatcher White-Faced Ibis Whooping Crane Adobe Desert Parsley Boreal toad Clay-Loving Buckwheat Columbian Sharp tailed Grouse Roundcail chub Flannelmouth sucker (Muscela nigiines) (Buteo regalis) (Numenius americanus) (Accipiter ¢entilis) (Epidomax trailii extimus) (Plegadis chihi) (Crus Americana) (Lomatium concinnum) (Bufo bore as) (Eriogonum pelinophilum) (Tvmoanuchus ohasianellus) (Gila robusta) (Catostomus latipinnis) Endangered Category-2 Category-2 Category-2 Category-1 Category-2 Endangered Category-2 Category-2 Endangered Category-2 Category-2 Category-2 Category 1 and 2 species are candidates for listing as threatened or endangered under the Endangered Species Act; information is currently not sufficient to support listing. 15