Stuart, J. N., M. L. Watson, T. L. Brown, and C. Eustice. 2001. Plastic netting: an entanglement hazard to snakes and other wildlife. Herpetological Review 32:162-164.

Hafner, D. J., B. R. Riddle, and S. T. Alvarez-Castañeda. 2001. Evolutionary relationships of white-footed mice (Peromyscus) on islands in the Sea of Cortez. Journal of Mammalogy 82:775-790.

Environmenal Law Institute. 2001. Status of the states: Innovative state strategies for biodiversity conservation. Environmental Law Institute, Washington, D.C. 62 p.

Allison-Kosior, G. Allison, S. (2001) Gunsight Cave Trip Report. Guadalupe Ranger District, Lincoln National Forest, USFS. 1 p.

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

Köhler, G. 2001. Anfibios y reptiles de Nicaragua Herpeton, Offenbach, Germany.

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.

Arbogast, B. S., R. A. Browne, and P. D. Weigl. 2001. Evolutionary genetics and Pleistocene biogeography of North American tree squirrels (Tamiasciurus). Journal of Mammalogy 82:302-319.

Arguedas-Negrini, N. 2001. Distribution, habitat and behavior of Grasshopper Sparrows, Ammodramus savannarum (Passeriformes: Emberizidae) in northeastern Nicaragua. Revista de Biologia Tropical 49:703-708.

Muths, E., T. L. Johnson, and P. S. Corn. 2001. Experimental repatriation of boreal toad (BUFO BOREAS) eggs, metamorphs, and adults in Rocky Mountain National Park. Southwestern Naturalist 46:106-113.

Lardie, R. L. 2001. Geographic distribution. Hemidactylus turcicus. Herpetological Review 32:119.

Harris, P. M., and R. L. Mayden. 2001. Phylogenetic relationships of major clades of Catostomidae (Teleostei: Cypriniformes) as inferred from mitchondrial SSU and LSU rDNA sequences. Molecular Phylogenetics and Evolution 20:225-237.

Mazerolle, M. J. 2001. Amphibian activity, movement patterns, and body size in fragmented peat bogs. Journal of Herpetology 35:13-20.

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

Frey, Stroch, Martinez. 2001. Multiple Pass Depletion Trout Survey, Comanche Creek, Questa Ranger District, Carson National Forest. USFS.

Tonne, P. 2001. Status Report for Sneed's Pincushion Cactus (Escobaria sneedii var. sneedii; Cactaceae). Report for U.S. Fish and Wildlfie Service. Albuquerque, NM. 16 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.

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.

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. Candian Journal of Zoology 79:485-498.

Neely, B, P. Comer, M. Lammert, R. Rondeau, C. Pague, G. Bell, H. Copeland, J. Humke, S. Spackman, T. Schulz, D. Theobald, and L. Valutis. 2001. Southern Rocky Mountains: An ecoregional assessment and conservation blueprint. The Nature Conservancy.. 731 p

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

Hoogland, J. L. 2001. Black-tailed, Gunnison's, and Utah Prairie Dogs reproduce slowly. Journal of Mammalogy 82:917-927.

U.S. Fish and Wildlife Service (USFWS). 2001. Final determinations of critical habitat for wintering Piping Plovers; final rule. Federal Register 66:36037-36143.

Blackburn, L., P. Nanjappa, and M. J. Lannoo. 2001. An Atlas of the Distribution of U.S. Amphibians. Copyright, Ball State University, Muncie, Indiana, USA.

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.

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.

U.S. Fish and Wildlife Service (USFWS). 2001. Endangered and Threatened Wildlife and Plants; Proposed Endangered status for the Sacramento Mountains checkerspot butterfly and proposed designation of critical habitat. (12 month finding and proposed rule.)

Armstrong, M. P., D. Frymire, and E. J. Zimmerer. 2001. Analysis of sympatric populations of Lampropeltis triangulum syspila and Lampropeltis triangulum elapsoides, in western Kentucky and adjacent Tennessee with relation to the taxonomic status of the sc

Ashton, K. G., and A. de Queiroz. 2001. Molecular systematics of the western rattlesnake, Crotalus viridis (Viperidae), with comments on the utility of the D-loop in phylogenetic studies of snakes. Molecular Phylogenetics and Evolution 21:176-189.

Nikula, B.J., J.L. Sones, and J.R. Trimble. 2001. New and notable records of Odonata from Massachusetts. Northeastern Naturalist, 8(3): 337-342.

British Ornithological Union. 2001. British Ornithological Union Records Committee, 27th Report. Ibis 143:171-175.

Ortiz-Pulido, R. and R. Díaz. 2001. Distribución de colibríes en la zona baja del centro de Veracruz, México. Ornitologia Neotropical 12:297-317.

Lodato, M. J., and T. K. Hulvershorn. 2001. The ornate box turtle, Terrapene ornata, in southern Indiana. Herpetological Review 32:232-233.

McCafferty, W.P. 2001. Status of some historically unfamiliar American mayflies (Ephemeroptera). Pan-Pacific Entomologist, 77(3): 210-218.

U.S. Fish and Wildlife Service. 2001. Candidate and Listing Priority Assignment Form; Catostomus discobolus yarrowi. . 13 p.

Guaderrama, R. (2001) Sacramento River Road Inventory and Monitoring for Mexican Spotted Owl and Northern Goshawk, Sacramento Ranger District. Lincoln Supervisor's Office, Lincoln National Forest, USFS. 7 p.

Tonne, P., Sivinski, B., and McDonald, C. 2001. Email correspondence correcting a report of Salvia summa as actually being Salvia henryi. . 2 p.

Radke, M. F. 2001. Ecology of the barking frog (Eleutherodactylus augusti) at Bitter Lake National Wildlife Refuge, New Mexico, Final report to Share With Wildlife. Professional Services Contract No. 98-516.25. New Mexico Department of Game and Fish. 43 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.

Hopton, M. E., and G. N. Cameron. 2001. GEOMYS KNOXJONESI. Mammalian Species 672:1-3.

U.S. Fish and Wildlife Service (USFWS). 2001. 30 October 2001. Review of plant and animal species that are Candidates or proposed for listing as Endangered or Threatened, annual notice of findings on recycled petitions, and annual description of progress

Köhler, G. 2001. Anfibios y reptiles de Nicaragua. Herpeton, Offenbach, Germany.

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

Harrison, R.L. 2001. Population status and ecology of Swift Fox in New Mexico. Completion report to NM Department of Game and Fish and U.S. Fish and Wildlife Service, Section 6 E-43-3. 82p.

U.S. Fish and Wildlife Service (USFWS). 2001. Annual notice of findings on recycled petitions. Federal Register 66:1295-1300.

Ashton, K. G., and T. M. Patton. 2001. Movement and reproductive biology of female midget faded rattlesnakes, Crotalus viridis concolor, in Wyoming. Copeia 2001:229-234.

Biggins, D. E., and M. Y. Kosoy. 2001. Influences of introduced plague on North American mammals: implications from ecology of plague in Asia. Journal of Mammalogy 82:906-916.

Bronikowski, A. M., and S. J. Arnold. 2001. Cytochrome b phylogeny does not match subspecific classification in the western terrestrial garter snake, Thamnophis elegans. Copeia 2001:508-513.

Parris, M. J., C. W. Laird, and R. D. Semlitsch. 2001. Differential predation on experimental populations of parental and hybrid leopard frog (Rana blairi and Rana sphenocephala) larvae. Journal of Herpetology 35:479-485.

Lomolino, M. V., and G. A. Smith. 2001. Dynamic biogeography of prairie dog (CYNOMYS LUDOVICIANUS) towns near the edge of their range. Journal of Mammalogy 82:937-945.

Guaderrama, R. (2001) Northern Goshawk Annual Report, Sacramento Ranger District, Lincoln National Forest. Lincoln Supervisor's Office, Lincoln National Forest, USFS. 7 p.

Hardy, A. 2001. Agua Caliente Creek Stream Inventory Report, Camino Real Ranger District, Carson National Forest. USFS

Unknown (2001) Summary of Fish Collections, Lower Gila River, New Mexico. Retrieved from Silver City Ranger District, Gila National Forest, USFS. 29 p.