NEPA--Environmental Assessment
NEPA--Environmental Assessment
NEPA--Environmental Assessment
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Table C-4. Migratory Bird Species List<br />
Migratory birds that are listed on the FWS BCR 16 list, PIF PA 62 list, Colorado Listing of<br />
Endangered, Threatened and Wildlife Species of Special Concern, and USFS Rocky Mountain<br />
Region Sensitive Species List, BLM’s Colorado State Director’s Sensitive Species list, with<br />
likelihood to occur in the Silverton Landscape.<br />
Likelihood of<br />
Species Status* Preferred Habitats Occurrence @<br />
Season of<br />
Occurrence Analysis Group<br />
American Bittern FS Riparian/Wetlands (cattail Low N/A N/A – no suitable marshes<br />
marsh)<br />
in Landscape<br />
American Dipper PIF Riparian/Wetlands (fast- High Breeding Riparian/Wetlands<br />
moving streams)<br />
Season<br />
American Pipit PIF Alpine Tundra, cultivated High Breeding Alpine Tundra<br />
agriculture<br />
Season<br />
American Three- FS Spruce-Fir, cool-moist High Year Round Cavity Constructors<br />
toed Woodpecker<br />
Mixed Conifer<br />
Bald Eagle FS, State Riparian/Wetlands Low N/A N/A – no cottonwood<br />
(cottonwood gallery<br />
gallery forest, nesting or<br />
forest), Grassland,<br />
winter foraging habitat in<br />
Sagebrush, Pinyon-<br />
Juniper, Ponderosa Pine<br />
Landscape<br />
Band-tailed Pigeon PIF Ponderosa Pine Low N/A N/A - no suitable ponderosa<br />
pine forest in Landscape<br />
Black Swift FS, BCR, Riparian/Wetlands High Breeding Riparian/Wetlands<br />
PIF (waterfalls)<br />
Season<br />
Black Tern BLM Riparian/Wetlands (cattail Low N/A N/A, not known to occur in<br />
marsh)<br />
San Juan County<br />
Black-throated Gray BCR Pinyon-Juniper Low N/A N/A, not known to occur in<br />
Warbler<br />
San Juan County<br />
Boreal Owl FS, PIF Spruce-Fir High Year Round Cavity Dependant<br />
Brewer’s Sparrow FS, PIF Sagebrush Low N/A N/A, no suitable sagebrush<br />
in Landscape<br />
Broad-tailed PIF Mountain Shrub, Aspen, High Breeding Mixed-conifer<br />
Hummingbird<br />
Ponderosa Pine, Mixed<br />
Conifer, Riparian/Wetland<br />
Season<br />
Brown-capped Rosy<br />
Finch<br />
PIF Alpine Tundra High Year Round Alpine Tundra<br />
Columbian Sharp- FS, BLM, Mountain Shrub Low N/A N/A, not known to occur in<br />
tailed Grouse State, MIS<br />
San Juan County<br />
Cordilleran<br />
PIF Riparian/Wetlands High Breeding Riparian/Wetlands<br />
Flycatcher<br />
(canyon streams)<br />
Season<br />
Dusky Grouse PIF Mixed Conifer High Year Round Mixed-conifer<br />
Ferruginous Hawk FS, BLM, Agricultural, Grasslands Low N/A N/A, not known to occur in<br />
BCR, State<br />
San Juan County<br />
Flammulated Owl FS, BCR, Ponderosa Pine, mixed- High Breeding Mixed-conifer<br />
PIF conifer<br />
Season<br />
Golden Eagle BCR Barren (rock cliffs),<br />
Agricultural, Grasslands,<br />
Alpine Tundra<br />
High Year Round Cliff Nesters<br />
Grace’s Warbler BCR, PIF Ponderosa Pine Low N/A N/A, not known to occur in<br />
San Juan County<br />
Gray Vireo BCR Pinyon-Juniper Low N/A N/A, not known to occur in<br />
San Juan County<br />
Green-tailed PIF, MIS Mountain Shrub,<br />
Low N/A N/A, not known to occur in<br />
Towhee<br />
Sagebrush<br />
San Juan County<br />
Gunnison Sage FS, BLM, Sagebrush Low N/A N/A, not known to occur in<br />
Grouse<br />
BCR, ESA,<br />
PIF, State<br />
San Juan County<br />
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