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Bat Species in USFS Region 2

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Bat Species in USFS Region 2 Bat Species in USFS Region 2 Species of bats known or expected to occur in the Rocky Mountain Region – by State X = Known to occur on NFS lands in Region 2. O = Not known to occur, but potential for occurrence on NFS lands. n = Known to occur in the State, but not on NFS lands. Species Assessments CO WY SD NE KS Foraging Habitat1 Roost Site1 Other Comments1 Strategies Profiles Images HIBERNATING SPECIES (N=16)2 Corynorhinus townsendii usually lower-elevation Beneath rock and Myotis thysanodes ponderosa pine woodlands, shelters, and associate with I. phyllotis Allen’s Big- Idionycteris pinon-juniper woodlands, WBWG Profile X abandoned Mines in maternity roosts. Males Eared Bat phyllotis but has been captured in (tree snags, probably roost solitarily Images high-elevation white fir boulders) while females form forests maternity colonies. Rock crevices, arid habitats, edge of hollow trees, in summer, roosts alone or California Myotis coniferous woodlands, but WBWG Profile X X buildings, under in small groups; small Myotis californicus also over desertscrub up to loose bark, Caves, maternity colonies Images oak woodlands Mines deserts, badlands, semi- Abandoned BHNF arid habitats, oak sympatric with M. Western mines, Caves, Assessment Myotis woodlands, ponderosa pine californicus, but prefers to Small-footed X X X X X (rock crevices, ciliolabrum forests, pinon-juniper hunt over rocks, instead of WBWG Profile Myotis under rocks on woodlands, and chaparral, water like californicus scree slopes) Images sometimes over water 1 Sources: 1) Adams, R.A. 2003. Bats of the Rocky Mountain West. Boulder: University Press of Colorado; 2) NatureServe Explorer: http://www.natureserve.org/explorer/index.htm [accessed 7 June 2011] 2 Source: USGS Fort Collins Science Center white-nose syndrome webpage: http://www.fort.usgs.gov/WNS/ [accessed 7 June, 2011] A-1 Species Assessments CO WY SD NE KS Foraging Habitat1 Roost Site1 Other Comments1 Strategies Profiles Images Hollow trees, BHNF under rocks on has been found foraging Assessment cluttered, forested habitats ground, rock with M. volans, Eptesicus Western Long- Myotis evotis X X X such as Douglas-fir, crevices, under fuscus, Lasionycteris BLM-WY eared Myotis spruce-fir forests bark, buildings, noctivagans, and L. Assessment bridges, Caves, cinereus Images Mines generalist, uses almost all Generalist; uses most summer colonies Little Brown Myotis habitat types equally, but structure with WBWG Profile X X X X range from 50 to 2500 Myotis lucifugus prefers to forage over suitable individuals Images water when possible microclimate syntopic species during BHNF hibernation include Myotis Assessment Northern Myotis forested hillsides and Rock crevices, X X O lucifugus, Pipistrellus Myotis septentrionalis ridges Caves, Mines WBWG Profile subflavus, and Eptesicus fuscus Images SCP Assessment BHNF Abandoned found with many other Assessment fir-pine forests, but also mines, Caves, Fringed Myotis species including: M. X X X X X ponderosa pine forests and rock crevices, BLM-WY Myotis 3 thysanodes evotis, M. volans, M. lowland chaparral abandoned Assessment californicus, etc. buildings WBWG Profile Images In Kansas and Texas, appears to be a year round- Caves and Mines, resident, hibernating in riparian, cliff, desert, usually near the caves; movements have WBWG Profile grassland/herbaceous, entrance in Cave Myotis Myotis velifer X been recorded between conifer and mixed summer; Oklahoma and Kansas; woodland (occasionally in Images usually use same cave in buildings). successive years; prefers moist hibernacula 3 On the Regional Forester’s Sensitive Species list for U.S. Forest Service, Rocky Mountain Region A-2 Species Assessments CO WY SD NE KS Foraging Habitat1 Roost Site1 Other Comments1 Strategies Profiles Images ponderosa pine woodlands, may change habitats BHNF coniferous forests, pinon- Trees, rock seasonally, using caves and Assessment Long-legged Myotis volans X X X X juniper woodlands, aspen crevices, Caves, mines as hibernacula, but Myotis WBWG Profile woodlands, subalpine Mines, buildings in summer does not use forests caves for roosting. Images more closely associated with water than most other Rock crevices, NA bats. Found in a wide often occurs in treeless abandoned cliff- Myotis variety of upland and WBWG Profile Yuma Myotis X X areas, but one constant is swallow nests, yumanensis lowland habitats, including open water trees, Caves, Images riparian, desert scrub, Mines moist woodlands and forests near open water. Mostly buildings; winter colonies rarely also rock crevices, number more than a few hollow trees, Eptesicus meadows, ponderosa pine hundred; less gregarious in WBWG Profile Big Brown Bat X X X X tunnels, cliff fuscus woodlands, grasslands winter; usually solitary in swallow nests, Images crevice, sometimes in Caves, Mines, small groups. bridges SCP Assessment locally common in various BHNF habitats (pinyon-juniper desert specialist, found in Usually rock Assessment woodland, riparian Euderma desertscrub, semi-desert crevices located Spotted Bat X X corridors, over river) in BLM-WY maculatum scrub, pinon-juniper on high cliff; also canyons in northwestern Assessment woodlands Caves Colorado (Navo et al. WBWG Profile 1992) Images A-3 Species Assessments CO WY SD NE KS Foraging Habitat1 Roost Site1 Other Comments1 Strategies Profiles Images hibernates singly, or in SCP Assessment clusters in some areas; BHNF tends not to associate in Caves, abandoned Assessment mixed coniferous forests, daytime and hibernation Mines, buildings, Townsend’s Corynorhinus but also semi-desert scrub, roosts with other species of BLM-WY X X X X X tunnels, hollow Big-eared Bat3 townsendii pinon-juniper woodlands, bats, though scattered Assessment trees, rock ponderosa pine woodlands individuals of other crevices IDFG Assessment normally colonial species occasionally may be WBWG Profile present Images Usually rock crevices, arid scrublands, pinon- buildings; Tadarida brasiliensis and Antrozous WBWG Profile Pallid Bat X X juniper woodlands, usually occasionally Myotis yumaensis may pallidus in open habitat Caves, Mines, roost among pallid bats. Images rock piles, and tree cavities Rock crevices, Canyon Bat desert species inhabiting Known to hibernate but is under rocks, in (formerly Parastrellus rocky canyons, cliffs, and sporadically active WBWG Profile X burrows made by Western hesperus outcroppings to creosote throughout the winter in animals, Caves, Images Pipistrelle) bush flats some areas. Mines prefers partly open country Tri-color Bat Trees, rarely with large trees and NS Explorer (formerly Perimyotis X X X n forest edges buildings, Caves, woodland edges, avoids Profile Eastern subflavus Mines deep woods and open Pipistrelle) Images fields. A-4 LONG-DISTANCE MIGRANTS/ NON-HIBERNATING SPECIES (N=6) Tree foliage in non-migratory individuals deciduous forest NS Explorer Eastern Red Lasiurus in proximity to riparian hibernate in trees, probably X X X X along waterways; Profile Bat borealis habitats under bark or in hollow possibly Caves, branches Images Mines Buildings, hollow trees, under loose prefers deciduous and tree bark; may mixed forest interspersed also use Spanish usually congregates in NS Explorer Nycticeius Evening Bat X n with cultivated areas; moss for summer summer and disperses in Profile humeralis commonly found along roosting, and small groups for winter Images waterways Cave mouths in fall; hibernation site not known Primarily in sometimes roosts in rock coniferous trees; crevices, rarely uses caves also abandoned in most of range. usually high above ground woodpecker Lasiurus Hibernating individuals WBWG Profile Hoary Bat X X X X over ponderosa pine holes, Caves, cinereus have been found on tree habitats Mines, squirrel Images trunks, in a tree cavity, in a nests, buildings, squirrel's nest, and in a and under clump of Spanish-moss driftwood planks rarely hibernates in caves; relatively cold tolerant; young are born and reared Tree foliage, also BHNF prefers forested (frequently in tree cavities or similar cavities, or under Assessment Silver-haired Lasionycteris coniferous) areas adjacent situations. In South X X X X loose bark, Bat noctivagans to lakes, ponds, and Dakota, maternity WBWG Profile sometimes in streams aggregations primarily buildings Images were in woodpecker- created cavities in ponderosa pines A-5 may use rock crevice, bridge, sign, or cliff Abandoned swallow nest as roost Brazilian Free- Tadarida riparian, desert scrub, and Mines, Caves, during migration; WBWG Profile X X n tailed Bat brasiliensis ponderosa pine habitats buildings, rock generally roosts high (at Images crevices, bridges least 3 m) above ground to allow free fall required to attain flight. rocky open country, but winter habits unknown; also ponderosa pine Rock crevices maternity colonies occupy Big Free-tailed Nyctinomops WBWG Profile X forests, montane forests, high on rugged rock crevices and may Bat macrotis above Douglas-fir forests, cliffs, Caves occupy the same crevice in Images Sonoran desert scrub successive years. A-6 .
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