Rationales for Animal Species Considered for Designation As Species of Conservation Concern Inyo National Forest
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Rationales for Animal Species Considered for Designation as Species of Conservation Concern Inyo National Forest Prepared by: Wildlife Biologists and Natural Resources Specialist Regional Office, Inyo National Forest, and Washington Office Enterprise Program for: Inyo National Forest August 2018 1 In accordance with Federal civil rights law and U.S. Department of Agriculture (USDA) civil rights regulations and policies, the USDA, its Agencies, offices, and employees, and institutions participating in or administering USDA programs are prohibited from discriminating based on race, color, national origin, religion, sex, gender identity (including gender expression), sexual orientation, disability, age, marital status, family/parental status, income derived from a public assistance program, political beliefs, or reprisal or retaliation for prior civil rights activity, in any program or activity conducted or funded by USDA (not all bases apply to all programs). 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Animal Rationales Species of Conservation Concern Contents Rationales for Animal Species Considered for Species of Conservation Concern Inyo National Forest ............................................................................................................................................... 1 Introduction ................................................................................................................................. 1 Species of Conservation Concern Compared to Forest Service Sensitive Species ................. 1 Procedure for Evaluation of Animal Species of Conservation Concern ................................. 2 Inyo National Forest Species of Conservation Concern .......................................................... 3 References ............................................................................................................................... 3 Chapter 1 – Rationale for Animal Species Determined to be Species of Conservation Concern 4 Mammals ................................................................................................................................. 4 Fisher - Pekania pennanti ................................................................................................... 9 Nelson desert bighorn sheep - Ovis Canadensis nelsoni .................................................... 4 Sierra marten - Martes caurina sierrae .............................................................................. 9 Birds ...................................................................................................................................... 26 Bald eagle - Haliaeetus leucocephalus ............................................................................. 26 Bi-State sage grouse - Centrocercus urophasianus .......................................................... 32 California spotted owl - Strix occidentalis occidentalis ................................................... 38 Great Gray Owl - Strix nebulosa ...................................................................................... 44 Mount Pinos Sooty Grouse - Dendragapus fuliginosus howardi ..................................... 51 Willow Flycatcher - Empidonax traillii ........................................................................... 55 Amphibians ........................................................................................................................... 61 Black toad - Bufo exsul ..................................................................................................... 61 Inyo Mountains slender salamander - Batrachoseps campi ............................................. 67 Kern Plateau salamander - Batrachoseps robustus .......................................................... 71 Fish ........................................................................................................................................ 75 California golden trout - Oncorhynchus mykiss aquabonita ............................................ 75 Terrestrial Invertebrates ......................................................................................................... 80 Sierra sulphur - Colias behrii ........................................................................................... 80 Square dotted blue - Euphilotes battoides mazourka ....................................................... 87 Mono Lake checkerspot - Euphydryas editha monoensis ................................................ 89 Boisduval's blue - Plebejus icarioides inyo ...................................................................... 93 San Emigdio blue - Plebulina emigdionis ........................................................................ 95 Apache fritillary - Speyeria nokomis apacheana ............................................................. 98 A cave obligate pseudoscorpion - Tuberochernes aalbui .............................................. 102 Aqautic Insects .................................................................................................................... 104 Owens Valley springsnail - Pygulopsis owensensis ....................................................... 104 Western pearlshell - Margaritifera falcata ..................................................................... 108 Wong’s springsnail - Pyrgulopsis wongi ........................................................................ 113 Chapter 2 – Rationale for Animal Species Determined Not to be Species of Conservation Concern ................................................................................................................................... 119 Mammals ............................................................................................................................. 119 American badger - Taxidea taxus ................................................................................... 119 American pika - Ochotona princeps, Ochotona princeps schisticeps ............................ 119 Fringed myotis, Myotis thysanodes ................................................................................ 122 Little brown myotis - Myotis lucifugus .......................................................................... 126 Lodgepole chipmunk - Neotamias speciosus speciosus ................................................. 127 Long-eared myotis - Myotis evotis ................................................................................. 128 Long-legged myotis - Myotis volans .............................................................................. 129 Owens Valley vole - Microtus californicus vallicola ..................................................... 129 i Animal Rationales Species of Conservation Concern Pallid bat - Antrozous pallidus ....................................................................................... 130 Pronghorn - Antilocapra americana ............................................................................... 132 Pygmy rabbit - Brachylagus idahoensis ......................................................................... 133 Sierra Nevada mountain beaver - Aplodontia rufa californica ...................................... 135 Sierra Nevada Snowshoe Hare - Lepus americanus tahoensis ....................................... 137 Silver-haired bat - Lasionycteris noctivagans ................................................................ 140 Spotted bat - Euderma maculatum ................................................................................. 142 Townsend's big-eared bat - Corynorhinus townsendii ................................................... 144 Western white-tailed jack rabbit - Lepus townsendii townsendii ................................... 154 Yuma myotis - Myotis yumanensis................................................................................. 155 Birds .................................................................................................................................... 156 American peregrine falcon - Falco peregrinus anatum ................................................. 156 American white pelican - Pelecanus erythrorhynchos ................................................... 160 Bank swallow - Riparia riparia ..................................................................................... 162 Barrow's goldeneye - Bucephala islandica ...................................................................