Burton, J. (1993) Unpublished Letter to L. Paul Including Multiple Documents About Pyrogulopsis pecosensis. Guadalupe Ranger District, Lincoln National Forest, USFS. 5 p.

Harlequin Duck Working Group. 1993. Status of harlequin ducks (HISTRIONICUS HISTRIONICUS) in North America. iii + 83 pp.

Sepik, G. F., and B. Blumenstock. 1993. Management and research on the American woodcock at the Moosehorn National wildlife Refuge. Page 136 in J. R. Longcore and G. F. Sepik, editors. Proceedings of the eighth American woodcock symposium. U.S. Fish and W

McMillan, K. (1993) Information Survey Data for U.S. Forest Service Habitat Conservation Assessment, Inland Cutthroat Trout. Retrieved from Regional Office, USFS. 7 p.

Rivera, J. Ward, R. Ford-Schmid, R. (1993) 1993 Mexican Spotted Owl Daytime Follow-up Visit Form. Retrieved from Silver City Ranger District, Gila National Forest,USFS. 24 p.

Bogan, A. E. 1993b. Freshwater bivalve extinction (Mollusca: Unionoida): A search for causes. Amer. Zool. 33:599-609.

Franzreb, K. E. and S. A. Laymon. 1993. A reassessment of the taxonomic status of the Yellow-billed Cuckoo. Western Birds 24:17-28.

Brown, B. 1993. Memorandum to Alan and Narca of Animas Foundation regarding sighting of Heliomaster constantii on August 25, 1993.

Rappole, J.H., W.J. McShea, and J. Vega-Rivera. 1993. Evaluation of two survey methods in upland avian breeding communities. Journal of Field Ornithology 64(1):55-70.

Carisch, M. (1993) 1993 Mexican Spotted Owl Inventory Form. Silver City Ranger District, Gila National Forest, USFS. 2 p.

Tocque, K. 1993. The relationship between parasite burden and host resources in the desert toad (Scaphiopus couchii), under natural environmental conditions. J. Anim. Ecol. 62:683-693.

McMillan, K. (1993) Information Survey Data for U.S. Forest Service Habitat Assessment, Inland Cutthroat Trout. Retrieved from Regional Office, USFS. 7 p.

Unknown, 1993. BISON-M Draft - Taxonomy Species Sparrow, Baird's. Audobon authority. USFS

Bull, E.L., and C.T. Collins. 1993. Vaux's Swift (CHAETURA VAUXI). In A. Poole and F. Gill, editors, The Birds of North America, No. 77. Academy of Natural Sciences, Philadelphia, and American Ornithologists' Union, Washington, DC. 12 pp.

Bull, E. L., and R. C. Beckwith. 1993. Diet and foraging behavior of Vaux's swifts in northeastern Oregon. Condor 95:1016-1023.

Engilis, A., Jr., and T. K. Pratt. 1993. Status and population trends of Hawaii's native waterbirds, 1977-1987. Wilson Bull. 105:142-158.

Licht, D. S., and K. D. Sanchez. 1993. Association of black-tailed prairie dog colonies with cattle point attractants in the northern Great Plains. Great Basin Nat. 53:385-389.

Serfass, T. L., R. P. Brooks, and L. M. Rymon. 1993. Evidence of long-term survival and reproduction by translocated river otters, LUTRA CANADENSIS. Can. Field-Nat. 107:59-63.

Tigner, J. and W. C. Aney. 1993. Report of northern Black Hills bat survey. Unpublished report prepared for U.S. Forest Service, Deadwood, South Dakota.

Groth, J. G. 1993b. Evolutionary differentiation in morphology, vocalizations, and allozymes among nomadic sibling species in the North American red crossbill (LOXIA CURVIROSTRA) complex. Univ. California Publ. Zool. 127. 143 pp.

Baltz, M. E. 1993. Abundance of Neotropical migrant songbirds on North Andros Island, Bahamas. Fla. Field Nat. 21:115-7.

Garrett, M. G., J. W. Watson, and R. G. Anthony. 1993. Bald Eagle home range and habitat use in the Columbia River estuary. Journal of Wildlife Management 57:19-27.

Squires, J. R., S. H. Anderson, and R. Oakleaf. 1993. Home range size and habitat-use patterns of nesting Prairie Falcons near oil developments in northeastern Wyoming. Journal of Field Ornithology 64:1-10.

Primack, R.B. 1993. Essentials of conservation biology. Sinauer Associates Inc., Sunderland.

Black, C. 1993. Unpublished field surveys for Strix occidentalis lucida with maps, for NMNHP. Contract no 93-516-65, April-June 1993.

Hunt, L. E. 1993. Diet and habitat use of nesting Prairie Falcons (FALCO MEXICANUS) in an agricultural landscape in southern Alberta. MS Thesis, University of Alberta, Edmonton, Alberta. 61 pp.

McMillan, K. (1993) Information Survey Data for U.S. Forest Service Habitat Conservation Assessment, Inland Cutthroat Trout. Retrieved from Regional Office, USFS. 7 p.

Unknown, 1993. 1993 Year-End MSO Report, Jicarilla Ranger District, Carson National Forest. USFS 15 p.

Glassberg, J. 1993. Butterflies through binoculars: A field guide to butterflies in the Boston-New York-Washington region. Oxford University Press: New York. 160 pp.

Ballen, M. 1993. Final report on Mexican Spotted Owl inventory- 1993 for the Gila National Forest, Bull Camp survey area, Quemado Ranger District; Contract # 43-8399-3-1220. 2 p.

1993 Northern Goshawk Annual Report. Smokey Bear Ranger Districts. Lincoln National Forest. Prepared by Larry Paul, Barbara Rasch, Reviewed by Danney Salas.

Mehlhop, P. 1993. Unpublished letter to Ken Bishop, Carson Cational Forest, concerning a Mexican Spotted Owl sighting. Multiple forms included. New Mexico Natural Heritage Program, UNM. 20 p.

Johnson, B., and V. Menzies, editors. 1993. International symposium and workshop on the conservation of the eastern massasauga rattlesnake Sistrurus catenatus catenatus. Metropolitan Toronto Zoo, West Hill, Ontario, Canada. 141 pp.

Best, T. L., and T. H. Henry. 1993a. Lepus alleni. American Society of Mammalogists, Mammalian Species 424:1-8.

Frey, J. K., and C. T. LaRue. 1993. Notes on the distribution of the Mogollon vole (Microtus mogollonensis) in New Mexico and Arizona. Southwestern Naturalist 38:176-178.

Brown, B.T. 1993. Bell's Vireo (VIREO BELLII). In A. Poole, P. Stettenheim, and F. Gill, editors, The Birds of North America, No. 35. Academy of Natural Sciences, Philadelphia, and American Ornithologists' Union, Washington, DC. 20 pp.

Lee, D. S., and M. K. Clark. 1993. Notes on post-breeding American swallow-tailed kites, ELANOIDES FORFICATUS, (Falconiformes: Accipitridae), in north central Florida. Brimleyana 19:185-203.

Morrison, R.I.G. 1993/1994. Shorebird population status and trends in Canada. Bird Trends (3):3-5. Canadian Wildlife Service.

Chapman, Wood and Griswold, Inc. 1993. Occurrences of Townsends aster, San Ysidro- White Mesa- Cuchilla Blanca Hill Area, Sandoval Co., NM. Mining engineers and geologists.

Hawkwatch International. 1993. Winter 1993 Bald eagle survey along the Rio Grande in the Corrales Unit. Final report. Contract # DACW47-93-P-0243, US Army Corps of Engineers, Albuquerque, NM.

Sheldon, F. H., and D. W. Winkler. 1993. Intergeneric phylogenetic relationships of swallows estimated by DNA-DNA hybridization. Auk 110:798-824.

McMillan, K. (1993) Information Survey Data for U.S. Forest Service Habitat Conservation Assessment, Inland Cutthroat Trout. Retrieved from Regional Office, USFS. 6 p.

Salazar, R. and D. Franks. 1993. Willow flycatcher survey detection and nest site data forms developed by Partners in Flight to establish occurrence of Empidonax traillii extimus in NM. Summary added by S.O. Williams III, NM Dept Game and Fish.

DeBruin, E. 1992. Field survey to Farmington Resource Area-plot #22 on 26 April 1992.

Mehlhop, P. 1992. Field survey to Taylor's extinct site on 13 June 1992.

Blem, C. R., and L. B. Blem. 1992. Prothonotary Warblers nesting in nest boxes: clutch size and timing in Virginia. The Raven 63:15-20.

Daley, J.G. 1992. Population reductions and genetic variability in black-tailed prairie dogs. Journal of Wildlife Management 56(2):212-220

Handel, C. M., and R. E. Gill, Jr. 1992. Breeding distribution of the black turnstone. Wilson Bull. 104:122-135.

Mulvihill, R.S., R.C. Leberman, and D.S. Wood. 1992. A possible relationship between reversed sexual size dimorphism and reduced male survivorship in the Ruby-throated Hummingbird. Condor 94:480-489.

Seutin, G., P. T. Boag, and L. M. Ratcliffe. 1992. Plumage variability in redpolls from Churchill, Manitoba. Auk 109:771-785.

Witham, J. W., and M. L. Hunter. 1992. Population trends of neotropical migrant landbirds in northern coastal New England. In J. M. Hagan III and D. W. Johnston (editors). Ecology and Conservation of Neotropical Migratory Landbirds. Smithsonian Institutio

Dunmire, W. Feb 1 1992. Wetland-riparian habitat inventory, Carlsbad Resource Area, BLM. NMFO, Santa Fe, NM.

Gila National Forest. 1992. Field forms and maps for Northern Goshawk nest & territory inventory.

Sanchez, K. (1992) 1992 Mexican Spotted Owl Inventory Forms. Retrieved from Silver City Ranger District, Gila National Forest, USFS. 9 p.

Hoffman, S. W., W. R. De Ragon, and J. C. Bednarz. 1992. Patterns and recent trends in counts of migrant hawks in western North America. Prepared for U. S. Fish and Wildlife Service, Office of Migratory Bird Management, Purchase Order No. 98210-0-1171, Wa

Best, T. L., and L. L. Janecek. 1992. Allozymic and morphologic variation among Dipodomys insularis, Dipodomys nitratoides, and two populations of Dipodomys merriami (Rodentia: Heteromyidae). Southwest. Nat. 37:1-8.

Dowling, T. E., and M. R. Childs. 1992. Impact of hybridization on a threatened trout of the southwestern United States. Conservation Biology 6:355-364.

Heard, D. C., and T. M. Williams. 1992. Distribution of wolf dens on migratory caribou ranges in the Northwest Territories, Canada. Canadian J. Zoology 70:1504-1510.

Peterson, A. T. 1992. Phylogeny and rates of molecular evolution in the APHELOCOMA jays (Corvidae). Auk 109:133-147.

Williams, J. E., J. A. Lichatowich, and W. Nehlsen. 1992b. Declining salmon and steelhead populations: new endangered species concerns for the West. Endangered Species Update 9(4):1-8.