Jass, J. and B. Klausmeier. 2000. Atlas and bibliography of the first state and county records for Anostracans (Crustacea: Branchiopoda) of the contiguous United States. Milwaukee Public Museum Contributions in Biology and Geology. Number 94. 158 pp.

Kauffman, D. 2000 Mexican Spotted Owl Inventory Form. USFS

Ward, R. Grain, S. Hewitt, A. Miessener, J. (2000) Inventory Completion Report, Sensitive Plant Survey, Lincoln National Forest, Field Notes. Porject Name: Echinocereus fendleri keunzleri. Guadalupe Ranger District, Lincoln National Forest, USFS. 4 p.

Washington Department of Fish and Game (WDFG). 2000. Species of concern in Washington State. Online: http://www.wa.gov/wdfw/wlm/diversity/soc/soc.htm. Washington Department of Fish and Game.

Brown, P. M. 2000. North American Native Orchid Journal 6:3.

Moskowitz, D. 2000. A new county record for Archilestes grandis in New York with notes on habitat and water quality. Argia, 12(4): 7-8.

American Ornithologists' Union (AOU). 2000. Forty-second supplement to the American Ornithologists' Union Check-list of North American Birds. The Auk 117:847-858

Bradley, R. D., I. Tiemann-Boege, C. W. Kilpatrick, and D. J. Schmidly. 2000. Taxonomic status of Peromyscus boylii sacarensis: inferences from DNA dequences of the mitochondrial cytochrome-b gene. Journal of Mammalogy 81:875-884.

Johnson, K. P. and D. H. Clayton. 2000. A molecular phylogeny of the dove genus Zenaida: mitochondrial and nuclear DNA sequences. Condor 102:864-870.

Martin, J. W., and J. R. Parrish. 2000. Lark Sparrow (Chondestes grammacus). No. 488 in A. Poole and F. Gill, editors. The Birds of North America. The Birds of North America, Inc., Philadelphia, PA. 20 pp.

Lovich, J. E., and R. Daniels. 2000. Environmental characteristics of desert tortoise (GOPHERUS AGASSIZII) burrow locations in an altered industrial landscape. Chelonian Conservation and Biology 3:714-721.

Sanders, T. A. and R. L. Jarvis. 2000. Do band-tailed pigeons seek a calcium supplement at mineral sites? Condor 102:855-863.

Mehlhop, P. 2000. Status of the Southwestern Willow Flycatcher (Empidonax trailii extimus) on Coyote Creek, Mora County, New Mexico. Report to the New Mexico Department of Game and Fish, Santa Fe, NM.

Anderson, D.L. 2000. Specimen label information from White Sands Missile Range herbarium. 4 p.

Stoleson, S.H and D. M. Finch. 2000. Southwestern willow flycatchers in the Cliff-Gila Valley, New Mexico: Landscape-level effects on density, reproduction, and cowbird parasitism. Draft summary report for the 2000 field season. . 26 p.

U.S. Fish and Wildlife Service (USFWS). 2000. Proposal to reclassify and remove the Gray Wolf from the list of Endangered and Threatened wildlife in portions of the conterminous United States; proposal to establish three special regulations for threatened

Long, B. 2000. Survey update note for American marten. 1 p.

Painter, C. 2000. Status of New Mexico Ridgenose Rattlesnake. Performance report to U.S. Fish and Wildlife Service, Section 6 E-23-8. New Mexico Department of Game and Fish, 123 p.

Marc. A. Baker.; Robert A. Johnson. 2000. Morphometric analysis of Escobaria sneedii var. sneedii, E. sneedii var. leei, and E. guadalupensis (Cactaceae). Systematic Botany 25(4): pp. 577-587.

Ferge, L. A., and G. J. Balogh. 2000. Checklist of Wisconsin Moths (Superfamilies Drepanoidea, Geometroidea, Mimmallonoidea, Bombycoidea, Sphingoidea, and Noctuiodea). Contributions in Biology and Geology of the Milwaukee Public Museum No. 93. Milwaukee,

Patterson, J. Patterson, A. (2000) Inventory Completion Report, Sensitive Plant Survey, Lincoln National Forest, Hexalectris nitida. Guadalupe RD, Lincoln NF, USFS.

Wellicome, T.I. 2000. Effects of Food on Reproduction in Burrowing Owls (Athene cunicularia) During Three Stages of the Breeding Season.. . 113 p.

Uribe-Peña, Z., Ramírez-Bautista, R. and Cuadernos, G.C.A. 2000. Anfibios y Reptiles de las Serranías del Distrito Federal, México. Instituto de Biología, UNAM Mexico City, Mexico.

Lang, B.K. 2000. Status of Aquatic Mollusks of New Mexico, Performance Report to U.S. Fish and Wildlife Service, Section 6 E-20-8. New Mexico Department of Game and Fish, 69 pp.

Larson, D.J., Y. Alarie, and R.E. Roughley. 2000. Predaceous diving beetles (Coleoptera:Dytiscidae) of the Nearctic Region, with emphasis on the fauna of Canada and Alaska. National Research Council of Canada Monograph Publishing Program, Ottawa, Canada.

Kauffman, D. 2000 Mexican Spotted Owl Inventory Form. USFS.

Ludwig, J., E. Muldavin, and K.R. Blanche. 2000. Vegetation change and surface erosion in desert grasslands of Otero Mesa, southern New Mexico: 1982 to 1995. Am. Midl. Nat. 144: 273-285.

Muldavin, E., E. Milford, and M. Stuever. 2000. New Mexico Wetlands/ Riparian Assessment Database and GIS ArcView GIS project, Access Database & Report December 2000 CD Vol. 1 and 2.

Burns, J. M. 2000. Pyrgus communis and Pyrgus albescens (Hesperiidae: Pyrginae) are separate but transcontinental species with variable but diagnostic values. Journal of the Lepidopterists Society 54: 52-71

Phelps, A., C. B. Renaud, and F. Chapleau. 2000. First record of a freshwater drum, Aplodinotus grunniens, in the Rideau River, Ottawa, Ontario. Canadian Field-Naturalist 114(1):121-125.

Bailey, J.A and S.O. Williams III. 2000. Status of the lesser prairie-chicken in New Mexico, 1999. The Prairie Naturalist. 32(3):157-168.

Barr, J. F., C. Eberl, and J. W. McIntyre. 2000. Red-throated Loon (Gavia stellata). No. 513 IN A. Poole and F. Gill, editors, The birds of North America. The Birds of North America, Inc., Philadelphia, PA. 28pp.

Broughton, R. E., and J. R. Gold. 2000. Phylogenetic relationships in the North American cyprinid genus Cyprinella (Actinopterygii: Cyprinidae) based on sequences of the mitochondrial ND2 and ND4L genes. Copeia 2000:1-10.

Jolley, T. W., R. L. Honeycutt, and R. D. Bradley. 2000. Phylogenetic relationships of pocket gophers (genus Geomys) based on the mitochondrial 12s rRNA gene. Journal of Mammalogy 81:1025-1034.

Minckley, W. L., and B. D. DeMarais. 2000. Taxonomy of chubs (Teleostei, Cyprinidae, genus Gila) in the American Southwest with comments on conservation. Copeia 2000:251-256.

Mostello, C. S., N. A. Palaia, and R. B. Clapp. 2000. Gray-backed Tern (Sterna lunata). No. 525 in A. Poole and F. Gill (editors). The birds of North America. The Birds of North America, Inc., Philadelphia, PA. 28 pp.

Sattler, G. D., and M. J. Braun. 2000. Morphometric variation as an indicator of genetic interactions between Black-capped and Carolina Chickadees at a contact zone in the Appalachian Mountains. Auk 117:427-444.

Newhouse, N. J., and T. A. Kinley, T.A. 2000. Ecology of American Badgers near their range limit in southeastern British Columbia. Report submitted to Forest Renewal British Columbia, BC Environment, Columbia Basin Fish and Wildlife Compensation Program,

Berry, A. Mackley, L. (2000) Northern Goshawk Annual Report, Sacramento Ranger District, Lincoln National Forest. Lincoln Supervisor's Office, Lincoln National Forest, USFS. 7 p.

Worthington, R. 2000. Inventory of the Flora of the New Mexico Portion of the Guadalupe Mountains, Otero and Eddy Counties, New Mexico, Working Second Draft. USFS.

Williams, S.O., III. 2000. Checklist of the native birds of New Mexico. 30 June 1999. 18 p.

Mowbray, T. B., F. Cooke, and B. Ganter. 2000. Snow Goose (CHEN CAERULESCENS). No. 514 IN A. Poole and F. Gill (editors). The Birds of North America. The Birds of North America, Inc., Philadelphia, PA.

Sivinski, R. 2000. Endangered Plant Study. Sante Fe, NM: New Mexico Forestry Division; Performance Report E-9-14. 71p.

Four Corners Band-tailed Pigeon Subcommittee. 2000. Pacific Flyway management plan for the Four Corners population of band-tailed pigeons. Draft. Western Migratory Upland Game Bird Technical Committee. C/o U.S. Fish and Wildlife Service, Portland, OR.

Patterson, J. (2000). Inventory Completion Report, Sensitive Plant Survey, Lincoln National Forest, Hexalectris nitida. Guadalupe RD, Lincoln NF, USFS.

West, S. 2000. Letter dated 2000-01-27 to C. Rustay with regard to Gray Vireos in the Guadalupe Mts. 2 p.

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Sibley, D. A. 2000a. The Sibley guide to birds. Alfred A. Knopf, New York.

Kauffman, D. 2000 Mexican Spotted Owl Inventory Form. USFS

University of New Mexico Herbarium. 2000. Excel spreadsheet containing herbarium specimen records for LE, LT, C and SCF species.

Milford, E., S. Wood, E. Muldavin, B. Jenkins, and K. Wild. 2000. River Bars of the Middle Rio Grande, Progress Report, Year II. Unpubl. By NMNHP submitted to US Fish & Wildlife Service, Albuquerque, NM. 30 p.

Carrillo, E., G. Wong, and A. Cuarón. 2000. Monitoring mammal populations in Costa Rican protected areas under different hunting restrictions. Conservation Biology 14:1580-1591.

Pip, E. 2000. The decline of freshwater molluscs in southern Manitoba. Canadian Field Naturalist 114(4):555-560.

Carraway, L. N. and R. M. Timm. 2000. Revision of the extant taxa of the genus Notiosorex (Mammalia: Insectivora: Soricidae). Proceedings of the Biological Society of Washington 113:302-318.

Baumann, R.W. and A.L. Huillet. 2000. Odonata of Moapa Warm Springs, Clark County, Nevada. Argia, 12(4): 2-3.

Busch, J. D, M. P. Miller, E. H. Paxton, M. K. Sogge, and P. Keim. 2000. Genetic variation in the endangered southwestern willow flycatcher. The Auk. 117(3):586-595.

Jones, J., P. R. Perazzi, E. H. Carruthers, and R. J. Robertson. 2000. Sociality and foraging behavior of the Cerulean Warbler in Venezuelan shade-coffee plantations. Condor 102:958-962.

Moriarty, E. C., Collins, S. L., and Collins, J. T.. 2000. Geographic distribution: Gastrophryne olivacea (Great Plains Narrowmouth Toad). Herpetological Review. 31(1):50.

Mueller, G., P. C. Marsh, G. Knowles, and T. Wolters. 2000. Distribution, movements, and habitat use of razorback suckers (Xyrauchen texanus) in a lower Colorado River reservoir, Arizona-Nevada. Western North American Naturalist 60:180-187.

Schroeder, M. A., D. W. Hays, M. F. Livingston, L. E. Stream, J. E. Jacobson, and D. J. Pierce. 2000. Changes in the distribution and abundance of sage grouse in Washington. Northwestern Naturalist. 81:104-112.