South Brock

Humboldt-Toiyabe National Forest · Nevada · 10,136 acres · RoadlessArea Rule (2001)
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Observed Species (2)

Species with confirmed research-grade observation records from iNaturalist community science data.

Northern Scorpion (1)
Paruroctonus boreus
Red-winged Blackbird (1)
Agelaius phoeniceus
Federally Listed Species (1)

Species identified by the U.S. Fish and Wildlife Service as potentially occurring within this area based on range and habitat data. These designations do not indicate confirmed presence — they identify habitat where agency actions may require consultation under the Endangered Species Act.

Monarch
Danaus plexippusProposed Threatened
Other Species of Concern (5)

Species identified by the U.S. Fish and Wildlife Service as potentially occurring based on range and habitat data.

Broad-tailed Hummingbird
Selasphorus platycercus
Cassin's Finch
Haemorhous cassinii
Northern Harrier
Circus hudsonius
Pinyon Jay
Gymnorhinus cyanocephalus
Sage Thrasher
Oreoscoptes montanus
Migratory Birds of Conservation Concern (4)

Birds of conservation concern identified by the U.S. Fish and Wildlife Service as potentially occurring based on range data. These species may warrant additional consideration under the Migratory Bird Treaty Act.

Broad-tailed Hummingbird
Selasphorus platycercus
Cassin's Finch
Haemorhous cassinii
Pinyon Jay
Gymnorhinus cyanocephalus
Sage Thrasher
Oreoscoptes montanus
Vegetation (7)

Composition from LANDFIRE 2024 EVT spatial analysis. Ecosystems classified per NatureServe Terrestrial Ecological Systems.

Great Basin Pinyon-Juniper Woodland
Tree / Conifer · 2,792 ha
GNR68.1%
Great Basin Big Sagebrush Shrubland
Shrub / Shrubland · 445 ha
G310.8%
Great Basin Dry Sagebrush Shrubland
Shrub / Shrubland · 376 ha
GNR9.2%
GNR7.4%
Intermountain Mountain Sagebrush Steppe
Shrub / Shrubland · 114 ha
GNR2.8%
Great Basin Semi-Desert Chaparral
Shrub / Shrubland · 39 ha
GNR0.9%
Rocky Mountain Foothill Shrubland
Shrub / Shrubland · 4 ha
G30.1%

South Brock

South Brock Roadless Area

Humboldt-Toiyabe National Forest, Nevada · 10,136 acres