S00COCUSNMUS, Legacy reference. Physical copy not yet located.

Peppers, L. L., and R. D. Bradley. 2000. Cryptic species in Sigmodon hispidus: evidence from DNA sequences. Journal of Mammalogy 81:332-343.

Pearson, S. F., and D. A. Manuwal. 2000. Influence of niche overlap and territoriality on hybridization between Hermit Warblers and Townsend's Warblers. Auk 117:175-183.

Slowinski, J. B., and J. S. Keogh. 2000. Phylogenetic relationships of elapid snakes based on cytochrome b mtDNA sequences. Molecular Phylogenetics and Evolution 15:157-164.

Safran, R., M. Colwell, C. Isola, and O. Taft. 2000. Foraging site selection by nonbreeding white-faced ibis. The Condor. 102:211-215.

Polechla, P. J. Ecology of the River Otter and Other Wetland Furbearers in the Upper Rio Grande. . 226 p.

Frazier, C. 2000. DRAFT GIS of mountain plover distribution in New Mexico. . 20 p.

United States Fish and Wildlife Service. 2000. Sevilleta National Wildlife Refuge Final Comprehensive Conservation Plan and Environmental Assessment.

Wisdom, M. J., R. S. Holthausen, B. C. Wales, C. D. Hargis, V. A. Saab, D. C. Lee, W. J. Hann, T. D. Rich, M. M. Rowland, W. J. Murphy, and M. R. Eames. 2000. Source habitats for terrestrial vertebrates of focus in the interior Columbia Basin: broad-scale

Opler, P. A., H. Pavulaan, and R. E. Stanford. 2000. August 17-last update. Butterflies of North America. Jamestown, ND: Northern Prairie Wildlife Research Center Home Page. Online. Available: http://www.npwrc.usgs.gov/resource/distr/lepi d/bflyusa/bflyus

Basili, G.D., and S.A. Temple. 1999. Winter ecology, behavior, and conservation needs of Dickcissels in Venezuela. Studies in Avian Biology 19:289-299.

Dechant, J.A., M.L. Sondreal, D.H. Johnson, L.D. Igl, C.M. Goldade, A.L. Zimmerman, and B.R. Euliss. 1999. Effects of management practices on grassland birds: Dickcissel. Northern Prairie Wildlife Research Center, Jamestown, ND. 27 pp.

Skagen, S.K., P.B. Sharpe, R.G. Waltermire, and M.B. Dillon. 1999. Biogeographical profiles of shorebird migration in midcontinental North America. Biological Science Report USGS/BRD/BSR--2000-0003. U.S. Government Printing Office, Denver, CO. 167 p.

Johnson, R.I. 1999. Unionidae of the Rio Grande (Rio Bravo del Norte) system of Texas and Mexico. Occasional Papers on Mollusks, 6(77): 1-65.

Stout, B. E., and G. L. Nuechterlein. 1999. Red-necked Grebe (Podiceps grisegena). No. 465 IN A. Poole and F. Gill, eds. The birds of North America. The Birds of North America, Inc., Philadelphia, PA. 32pp.

Dechant, J.A., M.L. Sondreal, D.H. Johnson, L.D. Igl, C.M. Goldade, B.D. Parkin, and B.R. Euliss. 1999. Effects of management practices on grassland birds: Lark Sparrow. Northern Prairie Wildlife Research Center, Jamestown, ND. 11 pp.

Hilty, S. 1999. Three new bird species new to Venezuela and notes on the behaviour and distribution of other poorly known species. Bulletin of the British Ornithologists' Club 119:220-235

Persons, T., and J. W. Wright. 1999. Discovery of Cnemidophorus neomexicanus in Arizona. Herpetological Review 30:207-208.

Valdez, R., and P. R. Krausman. 1999. Description, distribution, and abundance of mountain sheep in North America. Pages 3-22 in R. Valdez and P. R. Krausman, editors. Mountain sheep of North America. University of Arizona Press, Tucson. 353 pp.

Hardy, D. L., Sr., and H. W. Greene. 1999. Borderland blacktails: radiotelemetry, natural history, and living with venomous snakes. Pages 117-121 in G. J. Gottfried, L. G. Eskew, C. G. Curtin, and C. B. Edminster, editors. Toward integrated research, land

Parkinson, C. L. 1999. Molecular systematics and biogeographical history of pitvipers as determined by mitochondrial ribosomal DNA sequences. Copeia 1999:576-586.

Taylor, J. S., K. E. Church, and D. H. Rusch. 1999b. Microhabitat selection by nesting and brood-rearing Northern Bobwhite in kansas. Journal of Wildlife Management 63:686-694.

Propst, D.L. 1999. Conservation of Chihuahua Chub. New Mexico Department of Game and Fish. Performance Report NM E-2-10. 6p.

Neville, T., S. Gottlieb, M. Altenbach, H. Smith, and P. Mehlhop. 1999. Middle Rio Grande Council of Governments ecological and biodiversity components of a regional open space plan.

Diggs, G.M., Jr., B.L. Lipscomb, and R.J. O'Kennon. 1999. Shinners and Mahler's Illustrated flora of north central Texas. Sida Botanical Miscellany No. 16. Botanical Research Institute of Texas, Ft. Worth. 1626 pp.

Chauvin, Y., J. Oliva, and S. Wood. 1999. Survey for Kuenzler's hedgehog cactus (Echinocereus fendleri var. kuenzleri). Unpubl. report by NM Natural Heritage Program for Bureau of Land Management Carlsbad Field Office. 21 p.

McDonald, C. 1999. Hedeoma apiculatum fact sheet, retrieved from www.largocanyon.org/nmrptc/HEDAPI.htm USFS

Unknown. 1999. Taxonomy information for Mountain Plover. biosource.heritage.tnc.org . USFS

Dechant, J.A., M.L. Sondreal, D.H. Johnson, L.D. Igl, C.M. Goldade, A.L. Zimmerman, and B.R. Euliss. 1999. Effects of management practices on grassland birds: Western Meadowlark. Northern Prairie Wildlife Research Center, Jamestown, ND. 30 pp.

Sykes, P.W., Jr., and J.M. Meyers. 1999. Annual survival in the southeastern coastal breeding population of the Painted Bunting (progress report). US Geological Survey, Biological Resources Division, Reston, VA. URL = http://cristel.nal.usda.gov.

Johnson, K. P., and M. D. Sorenson. 1999. Phylogeny and biogeography of dabbling ducks (Genus: ANAS): a comparison of molecular and morphological evidence. Auk 116:792-805.

Valdez, E. W., J. R. Choate, M. A. Bogan, and T. L. Yates. 1999. Taxonomic status of Myotis occultus. Journal of Mammalogy 80:545-552.

Houde-Nethers, D. 1999. Memorandum for record dated 10 Sept 1999 with subject: Glint Project site visit on North Oscura Peak. . 4 p.

Paulson, D. 1999. E-mail of 26 October 1999 from Dennis Paulson, containing odonate records. 3 p.

Williams, S.O. 1999. Letter to P. Mehlhop with attached summary of Willow Flycatcher surveys in NM during 1993-1998 with maps of each site. 21 p.

Bartlett, R. D., and P. P. Bartlett. 1999a. A field guide to Texas reptiles & amphibians. Gulf Publishing Company, Houston, Texas. xviii + 331 pp.

Paul, L. Schmidtkem P. (1999) Inventory Completion Report, Sensitive Plant Survey, Lincoln National Forest, Field Notes. Polk RX Burn, Guadalupe RD, Lincoln NF, USF. 3 p.

Worthington, R.D. (1999) Summary Report, Survey for Kuenzler's Cactus, Echinocereus fendleri (Engelm.) Engelm. ex Rumpler var. kuenzleri (Castetter, Pierce & Schwerin) Benson in the Guadalupe Mountains, Lincoln National Forest. USFS. 134 p.

Mulvihill, R. S., T. L. Master, R. C. Leberman, and J. E. Sanchez. 1999. Ornithological notes from Costa Rica: Winter ecology of Louisiana Waterthrush; First nest description for the Green-crowned Brilliant. Abstracts of presented papers, VI Neotropical O

U.S. Geological Survey (USGS) 1999. Status of listed species and recovery plan development, Least Bell's Vireo. Web site of USGS Northern Prairie Wildlife Research Center, www.npwrc.usgs.gov/resource.

Mevatec. 1999. Installation action plan for White Sands Missile Range and Green River Test Site. Unpubl. Report for White Sands Missile Range.

Chauvin, Y.C. 1999. Plant species survey for Carlsbad Cavern developed area. Prep. for Carlsbad Caverns National Park by New Mexico Natural Heritage Program. 8 p.

Painter, C.W. 1999. Recent observations of Rana chircahuensis 1994-1999. 1 p.

Chauvin, Y. 1999. Field data sheet and map for the location of Salvia summa within Burro Canyon. . 2 p.

Painter, C. 1999. Status of Endemic New Mexico Salamanders. Performance Report to U.S. Fish and Wildlife Service, Section 6 E-22-7. New Mexico Department of Game and Fish, 21 p.

Boarman, W. I., and B. Heinrich. Common Raven (CORVUS CORAX). No. 476 IN A. Poole and F. Gill, eds. The birds of North America. The Birds of North America, Inc., Philadelphia, PA. 32pp.

Dechant, J.A., M.L. Sondreal, D.H. Johnson, L.D. Igl, C.M. Goldade, A.L. Zimmerman, and B.R. Euliss. 1999. Effects of management practices on grassland birds: Le Conte's Sparrow. Northern Prairie Wildlife Research Center, Jamestown, ND. 14 pp.

Sterling, J.C. 1999. Gray Flycatcher (EMPIDONAX WRIGHTII). In A. Poole and F. Gill, editors, The Birds of North America, No. 458. The Birds of North America, Inc., Philadelphia, PA. 16 pp.

Knudson, E. and C. Bordelon. 1999b. Checklist of the Lepidoptera of the Guadalupe Mountains National Park. Texas Lepidoptera Survey #4, 82 pp.

USGS. 1999. USGS Fact Sheet 032-99: New Mexico Middle Rio Grande Basin Study. USGS, Albuquerque. 4p.

Tibbitts, T. L., and W. Moskoff. 1999. Lesser Yellowlegs (Tringa flavipes). No. 427 IN: A. Poole and F. Gill, editors. The birds of North America. Academy of Natural Sciences, Philadelphia, PA, and The American Ornithologists' Union, Washington, D.C. 28pp

Dechant, J.A., M.L. Sondreal, D.H. Johnson, L.D. Igl, C.M. Goldade, B.D. Parkin, and B.R. Euliss. 1999. Effects of management practices on grassland birds: Field Sparrow. Northern Prairie Wildlife Research Center, Jamestown, ND. 19 pp.

Holycross, A. T., B. G. Fedorko, and O. Fourie. 1999. Habitat: Bufo alvarius (Colorado river toad). Herpetological Review. 30(2):90.

Powell, R., and R. W. Henderson. 1999. Addenda to the checklist of West Indian amphibians and reptiles. Herpetological Review 30:137-139.

Whittaker, A. and D. C. Oren. 1999. Important ornithological records from the Rio Juruá, western Amazonia, including twelve additions to the Brazilian avifauna. Bulletin of the British Ornithologists' Club 119:235-250.

Hoofer, S. R., J. R. Choate, and N. E. Mandrak. 1999. Mensural discrimination between Reithrodontomys megalotis and R. montanus using cranial characters. Journal of Mammalogy 80:91-101.

Parker, K. M., R. J. Sheffer, and P. W. Hecrick. 1999. Molecular variation and evolutionarily significant units in the endangered Gila topminnow. Conservation Biology 13:108-116.

Sivinski, R. 1999. Endangered Plant Study. Sante Fe, NM: New Mexico Forestry Division; Progress and Performance Report E-9-13. 88p.

Fraser, D. F., W. L. Harper, S. G. Cannings, and J. M. Cooper. 1999. Rare birds of British Columbia. Wildlife Branch and Resources Inventory Branch, British Columbia Ministry of Environment, Lands and Parks, Victoria, BC. 244pp.

Gottlieb, S.J. 1999. Email to K. Gaines with regard to a collection of Aeshna multicolor. 1 p.