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Mexican Spotted Owl (Strix occidentalis lucida)- Threatened. A medium to large sized <br />bird of prey found usually below 9,100 feet in large canyons with exposed cliffs and <br />dense old growth mixed coniferous forests dominated by Douglas fir and/or white fir, or <br />canyons in pinyon juniper azeas with small and widely scattered patches of old Douglas <br />fir. Feeds on small to medium sized forest dwelling birds and mammals. Summer roost <br />sites are in cool micro-climates, generally with a closed canopy and/or on north facing <br />slopes. Nest sites in Colorado are in caves entrances, crevices on steep cliff faces or in <br />stick nests in trees. Most likely to be found on the Uncompahgre Plateau although no <br />nests have been located at this time. <br />Whooping Crane (Grus americana)- Endangered. Normally found below 7,800 feet <br />azound reservoir mudflats and agricultural areas.. Not a permanent or breeding species <br />on National Forest Lands. <br />INSECTS <br />1 Uncompahgre fritillary butterfly (Boloria acrocnema). Endangered. Found around or <br />!s, above 12,000 feet. Snow willow patches '/, acre or lazger on north, northeast, east, and <br />southeast aspects, often below a melting snowdrift.. Above the tree line. Found primarily <br />in the San Juan Mountains and La Garita Mountains. May also occur in the Elk and <br />Collegiate mountain ranges. <br />FISH <br />Four Colorado River Fishes, the Humpback chub Gila c ha), Colorado pikeminnow <br />(Ptvchocheilus Lucius), Razorback sucker (Xvrauchen texanus), and Bonytail chub <br />(Gila elegans) aze all endangered fishes in the lower Colorado River drainage. These fish <br />species occur in the Colorado River downstream from the boundary of the Forest and aze <br />affected by water depletion activities in the headwaters on National Forest lands. <br />AMPHIBIANS <br />Boreal Toad (Buro boreal boreasl- Candidate Species. Boreal toads occupy a variety of <br />wetland habitats including pond mazgins, willow karts, wet meadows and riparian ateas. <br />The only toad species in Colorado above about 8,000 feet. Prefers high elevation forests . <br />Requires open water of some type for breeding. Buries itself in loose soil or seeks shelter <br />in burrows of gophers, ground squirrels, and other animals. Can be found up to 12,000 <br />feat. Black eggs in tubulaz masses aze very distinctive in ponds and breeding pools. <br />Pitch black tadpoles in small ponds is also very distinctive. Toads themselves can be <br />found in ponds, small creeks, and moist Forest environments and aze chazacterized by a <br />whitish line on it's back. <br />SENSITIVE SPECIES: <br />2 <br />