U.S. Fish and Wildlife Service (USFWS). 2001. Endangered and Threatened Wildlife and Plants; Status of the Rio Grande Cutthroat Trout. Federal Register 66 (249):67289-67290.

Shine, R, M. J. Elphrick, P. S. Harlow, I. T. Moore, M. P. LeMaster, and R. T. Mason. 2001. Movements, mating, and dispersal of red-sided gartersnakes (Thamnophis sirtalis parietalis) from a communal den in Manitoba. Copeia 2001:82-91.

Catling, P.M. and V.R. Brownell. 2001. Biodiversity of adult damselflies (Zygoptera) at eastern Ontario gravel pit ponds. Canadian Field Naturalist, 115: 402-405.

Piaggio, A. J., and G. S. Spicer. 2001. Molecular phylogeny of the chipmunks inferred from mitochondrial cytochrome b and cytochrome oxidase II gene sequences. Molecular Phylogenetics and Evolution 20:335-350.

Houghton, D.C., R.W. Holzenthal, M.P. Monson, and D.B. MacLean. 2001. Updated checklist of the Minnesota caddisflies (Tricoptera) with geographic affinities. Transactions of the American Entomological Society, 127(4): 495-512.

Tucker, J. K. 2001a. Nesting red-eared sliders (Trachemys scripta elegans) exhibit fidelity to their nesting areas. Journal of Herpetology 35:661-664.

Arizona Game and Fish Department. 2001. Cirsium wrightii. Unpublished abstract compiled and edited by the Heritage Data Management System, Arizona Game and Fish Department, Phoenix, Arizona. 3pp.

Birnbaum, S. J. 2001. Sneed's pincushion cactus (Escobaria sneedii var. sneedii) localities in New Mexico. Texas Parks and Wildlife. Austin, Texas. 2 pages.

Ross, D. (2001) Inventory Completion Report, Sensitive Plant Survey, Lincoln National Forest, Field Notes. Project Name: Echinocereus fendleri var. kuenzleri. Guadalupe Ranger District, Lincoln National Forest, USFS. 4 p.

Ultsch, G. R., G. M. Ward, C. M. LeBerte, B. R. Kuhajda, and E. R. Stewart. 2001. Intergradation and origins of subspecies of the turtle Chrysemys picta: morphological comparisons. Canadian Journal of Zoology 79:485-498.

Egger, Mark. 2001. Email "RE: Castilleja". 1 p.

Brown, D. K., A. A. Echelle, D. L. Propst, J. E. Brooks, and W. L. Fisher. 2001. Catastrophic wildfire and number of populations as factors influencing risk of extinction for Gila trout (Oncorhynchus gilae). Western North American Naturalist 61:139-148.

Best, T. 2001. Status of the Lesser Prairie Chicken (Tympanuchus pallidicinctus) on Lands Administered by the Bureau of Land Management in Southeastern New Mexico. Auburn University, Alabama. 517 pp.

Schwartz, H. R. 2001. Cibola goshawks: 2000.

Minton, S. A., Jr. 2001. Amphibians & reptiles of Indiana. Revised second edition. Indiana Academy of Science, Indianapolis. xiv + 404 pp.

Sivinski, R. 2001. Endangered Plant Study. Sante Fe, NM: New Mexico Forestry Division; Performance and Progress Report E-9-15. 245p.

Ridgely, R. S. and P. J. Greenfield. 2001. The birds of Ecuador: Status, distribution, and taxonomy. Cornell University Press, Ithaca, NY, USA.

DeGruyter, B. (2001) Mexican Spotted Owl Inventory Form. Sandia Ranger District, Cibola National Forest, USFS. 5 p.

Stewart, C. Tapia, R. Camero, A. (2001) Inventory Completion Report, Sensitive Plant Survey, Lincoln National Forest, Field Notes. Project Name: Echinocereus fendleri var. kuenzleri. Guadalupe Ranger Distirct, Lincoln National Forest, USFS. 4 p.

Hepworth, D. K., M. J. Ottenbacher, and C. B. Chamberlain. 2001. Occurrence of native Colorado River cutthroat trout (Oncorhynchus clarki pleuriticus) in the Escalante River drainage, Utah. Western North American Naturalist 61:129-138.

U.S. Fish and Wildlife Service (USFWS). 8 January 2001. Endangered and threatened wildlife and plants: Annual notice of findings on recycled petitions. Federal Register 66(5):1295-1300.

Sidle, J. G., D. H. Johnson, and B. R. Euliss. 2001. Estimated areal extent of colonies of Black-tailed Prairie Dogs in the northern Great Plains. Journal of Mammalogy 82:928-936.

Christman, B. 2001. Factors influencing pair territoriality in the Juniper Titmouse. Condor 103:361-369.

Propst, D. L., A. L. Hobbes, and T. L. Stroh. 2001. Distribution and notes on Zuni bluehead sucker, CATOSTOMUS DISCOBOLUS YARROWI, in New Mexico. Southwestern Naturalist 46:158-170.

Hwang, Y. T., and S. Lariviere. 2001. Mephitis macroura. Mammalian Species 686:1-3.

Walker, J.B. and W. J. Elisens. 2001. A Revision of Salvia Section Heterosphace (Lamiaceae) in Western North America. Botanical Research Institute of Texas.Sida. 19(3):571-589.

Bailey, J. 2001. Review of "Status of the Lesser Prairie-Chicken (Tympanuchus pallidicinctus) on lands administered by the Bureau of Land Management in southeastern New Mexico. By Dr. Troy Best. . 7 p.

Aplomado falcon survey report, April-May 2001.

Ross, D. (2001) Inventory Completion Report, Sensitive Plant Survey, Lincoln National Forest, Field Notes. Project Name: Echinocereus fendleri var. kuenzleri. Guadalupe Ranger District, Lincoln National Forest, USFS. 4 p.

Propst, D.L. (2001) Systematic Investigations of Warmwater Fish Communities, FW-17-RD028. Retrieved from Silver City Ranger District, Gila National Forest, USFS. 35 p.

Cannings, R. J., and T. Angell. 2001. Western Screech-Owl (Otus kennicottii). In The Birds of North America, No. 597 (A. Poole and F. Gill, editors). The Birds of North America, Inc., Philadelphia, PA. 20 pp.

Bundy, J.M., and K.R. Bestgen. 2001. Confirmation of daily increment deposition in otoliths of young razorback suckers. Southwestern Naturalist 46:34-40.

Chauvin, Y.C., A. Kennedy, and K. Wild. 2001. Survey for Kuenzler's Hedgehog Cactus (Echinocereus fendleri var. kuenzleri). 29 p.

Tellman, B. and R. Jemison. 2001. Riparian wetland research expertise directory. United States department of Agriculture.. 269 p.

Fleischer, R.C. 2001. Taxonomic and Evolutionarily Significant Unit (ESU) Status of Western Yellow-billed Cuckoos (Coccyzus americanus). . 25 p.

Taylor, R. V. 2001. Endangered species management plan for Todsen's pennyroyal at White Sands Missile Range, New Mexico. White Sands Missle Range, Division of Environmental Stewardship.. 63 p.

Hoofer, S. R., and R. A. Van Den Bussche. 2001. Phylogenetic relationships of plecotine bats and allies based on mitochondrial ribosomal sequences. Journal of Mammalogy 82:131-137.

Goldberg, S. R. 2001. Reproduction in the ground snake, Sonora semiannulata (Serpentes: Colubridae), from Arizona. Southwestern Naturalist 46:387-391.

Smith, L. J., A. T. Holycross, C. W. Painter, and M. E. Douglas. 2001. Montane rattlesnakes and prescribed fire. Southwestern Naturalist 46:54-61.

Cowie, R.H. 2001c. Invertebrate invasions on Pacific Islands and the replacement of unique native faunas: a synthesis of the land and freshwater snails. Biological Invasions 3: 119-136.

Randi, E., N. Mucci, F. Claro-Hergueta, A. Bonnet, and E.J.P. Douzery. 2001. A mitochondrial DNA control region phylogeny for the Cervidae: speciation in Cervus and its implications for conservation. Animal Conservation 4:1-11.

Kiesecker, J. M., A. R. Blaustein, and C. L. Miller. 2001a. Transfer of a pathogen from fish to amphibians. Conservation Biology 15:1064-1070.

Walton, L. R., H. D. Cluff, P. C. Paquet, and M. A. Ramsay. 2001. Movement patterns of barren-ground wolves in the central Canadian arctic. Journal of Mammalogy 82:867-876.

Davitt, K., S. Folge, R. Grandi, C. Neasel, A. Poet, J. Proctor, S. Roberts, and T. Skeele. 2001. Restoring the prairie dog ecosystem of the Great Plains. Predator Conservation Alliance. Bozeman, Montana.. 27 p.

Frey, E. Storch, D. 2001. Multiple Pass Depletion Trout Surveys, Rio Costillla Creek, Questa Ranger District, Carson National Forest.

Smith, C. I. 2001. The Longhorn Cactus Beetle, Moneilema semipunctatum, Lecont (Coleoptera: Cerambycidae) as a predator of the Mesa Verde Cactus Sclerocactus mesae-verdae (Cactaceae). Museum of Comparative Zoology, Harvard University. 14 p.

Propst, D.L. (2001) Unpublished letter to Scott Posner Containing Fish Collection Records for the San Francisco River Drainage. Retrieved from Silver City Ranger District, Gila National Forest, USFS. 2 p.

Frost, D. 2001. Amphibian species of the world; an online reference. V2.20. American Museum of Natural History, New York. Available: http://research.amnh.org/cgi-bin/reddy/amphibia220.

Carr, L. W., and L. Fahrig. 2001. Effect of road traffic on two amphibian species of differing vagility. Conservation Biology 15:1071-1078.

Lang, B.K. 2001. New Mexico Endangered Invertebrates: monitoring and management. Performance Report to U.S. Fish and Wildlife Service, Section 6 E-37-6. 69p.

Brostoff, W., R. Lichvar, and S. Sprecher. 2001. Delineating playas in the Arid Southwest: A literature review. . iv+25 p.

DeLong, J. 2001. Fall 2001 flammulated owl banding study in the Manzano Mountains of central New Mexico. . 10 p.

Turner, R. (2001) Inventory Completion Report, Sensitive Plant Survey, Lincoln National Forest, Field Notes. Project Name: Echinocereus fendleri var. kuenzleri. Guadalupe Ranger District, Lincoln National Forest, USFS. 6 p.

Hawks Aloft, Inc. 2001. Mountain plover surveys in the North Unit Allotment of the Taos Resource Area. . 32 p.

Turner, R. (2001) Sensitive Plant Site Report, Population Site Report, Lincoln National Forest, Field Notes. Guadalupe Ranger District, Lincoln National Forest, USFS. 8 p.

Ward, R. Miessener, J. (2001) Inventory Completion Report, Sensitive Plant Survey, Lincoln National Forest, Field Notes. Guadalupe Ranger Distirct, Lincoln National Forest, USFS. 4 p.

Jaeger, J. R., B. R. Riddle, R. D. Jennings, and D. F. Bradford. 2001. Rediscovering Rana onca: evidence for phylogenetically distinct leopard frogs from the border region of Nevada, Utah, and Arizona. Copeia 2001:339-354.

Grismer, L. L. 2001. Comments on the taxonomy of gopher snakes from Baja California. Mexico: a rely to Rodriguez-Robles and de Jesus-Escobar. Herpetological Review 32:81-82.

Stark, B.P. and J.W. Kyzar. 2001. Systematics of Nearctic Paraleuctra with description of a new genus (Plecoptera: Leuctridae). Tijdschrift voor Entomologie, 144: 119-135.

Edwards, C. W., C. F. Fulhorst, and R. D. Bradley. 2001. Molecular phylogenetics of the Neotoma albigula species group: further evidence of a paraphyletic assemblage. Journal of Mammology 82:267-279.