Leonard, W. P., H. A. Brown, L. L. C. Jones, K. R. McAllister, and R. M. Storm. 1993. Amphibians of Washington and Oregon. Seattle Audubon Society, Seattle, Washington. viii + 168 pp.

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.

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.

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

Barber, D. R. 1993. Effects of alternate host densities on brown-headed cowbird parasitism rates in black-capped vireos. M.S. thesis, Univ. of Arkansas, Fayetteville. ix + 43 pp. [Arkansas Cooperative Fish and Wildlife Research Unit Publ. No. 10]

Gila National Forest. 1993. NMNHP element occurrence cooperator forms with data on Allium gooddingii. 12 p.

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

Santa Fe National Forest. 1993. Field forms and maps for Northern Goshawk nest and territory monitoring for 1993.

Flora of North America Editorial Committee (FNA). 1993a. Flora of North America north of Mexico. Vol. 2. Pteridophytes and gymnosperms. Oxford Univ. Press, New York. xvi + 475 pp.

Bacon, J. R. for Cortez III. 1993. Letter to Bob Sivinski and Karen Lightfoot re: ^&Cereus greggii observation of 9 December 1993. 17 December 1993. 1 page.

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

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

White Sands Missile Range. 1993. Listing of White Sands Missile Range satellite facilities (off WSMR proper). 2 p.

Brennan, L. A. 1993. Strip discing: the forgotten bobwhite habitat management technique. Quail Unlimited Magazine 12:20-22.

Frissell, C. A. 1993. Topology of extinction and endangerment of native fishes in the Pacific Northwest and California (U.S.A.). Conservation Biology 7(2):342-354.

Jennings, R. D., and N. J. Scott, Jr. 1993. Ecologically correlated morphological variation in tadpoles of the leopard frog, Rana chiricahuensis. Journal of Herpetology 27:285-293.

Reid, R. R., C. E. Grue, and N. J. Silvy. 1993. Habitat requirements of breeding scaled quail in Texas. Proceedings of the National Quail Symposium III:137-142.

Author Unknown. 1993. Noteworthy collections. Madrono 40(?): 137.

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.

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.

Court, G.S. 1993. A toxicological assessment of the American peregrine falcon (Falco peregrinus anatum) breeding in Alberta, Canada - 1968 to 1992. Occasional Paper Number 10, Department of Environmental Protection, Wildlife Management Division, Fish and

U.S. Forest Service (USFS). 1993. Region 2 Regional Forester Sensitive Species List, 1993. Available at http://roadless.fs.fed.us/documents/feis/data/sheets/summspd/tes_supp/r… (Accessed September 2002).

Bangs, E. E., and S. H. Fritts. 1993. Reintroduction of gray wolves to Yellowstone National Park and central Idaho. Endangered Species Tech. Bull. 18(3):1, 18-20.

Gerrard, J. M., et al. 1993. Water-bird population changes in 1976-1990 on Besnard Lake, Saskatchewan: increases in loons, gulls, and pelicans. Can. J. Zool. 71:1681-1686.

Marra, P.P., T.W. Sherry, and R.T. Holmes. 1993. Territorial exclusion by a neotropical migrant bird in winter: a removal experiment with American Redstarts (Setophaga ruticilla) in Jamaica. Auk 110:565-572.

Stern, M. A., J. F. Morawski, and G. A. Rosenberg. 1993. Rediscovery and status of a disjunct population of breeding yellow rails in southern Oregon. Condor 95:1024-1027.

Silva, J. 1993. Mexican Spotted Owl survey report: Rio Puerco Resource Area (Cuba Area). Bureau of Land Management.

Cadman, M. D. 1993. Status report on the Northern Harrier Circus cyaneus in Canada. Committee on the Status of Endangered Wildlife in Canada (COSEWIC), Ottawa, ON. 35 pp.

Gardner, K. Burns, B. (1993) 1993 Mexican Spotted Owl Daytime Follow-up Visit Forms. Silver City Ranger District, Gila National Forest, USFS. 11 p.

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

Steigman, K.L. 1993. Nesting ecology of the Dickcissel (SPIZA AMERICANA) on a tallgrass prairie relict in north central Texas. Ph.D. dissertation. University of North Texas, Denton, TX. 133 pp.

Brown, D. E., A. Sands, S. Clubine, and C. E. Braun. 1993. Grazing and range management. Proceedings of the National Quail Symposium III:176-177.

Dzus, E., and J. Gerrard. 1993. Factors influencing bald eagle densities in northcentral Saskatchewan. J. Wildlife Management 57:771-778.

Leif, A. P. and L. M. Smith. 1993. Winter diet quality, gut morphology and condition of northern bobwhite and scaled quail in west Texas. Journal of Field Ornithology 64:527-538.

Schroeder, M. A., and C. E. Braun. 1993. Partial migration in a population of greater prairie-chickens in northeastern Colorado. Auk 110:21-28.

Minno, M. C., and T. C. Emmel. 1993. Butterflies of the Florida Keys. Scientific Publishers, Gainsville, FL. 168 pp.

Moffat, Mary and Nell McPhillips, 1993. Management for butterflies in the northern Great Plains: a literature review and guidebook for land managers. U.S. Fish and Wildlife Service, Ecological Services, S.D. Field Office, 420 South Garfield Ave., Suite 40

Bock, C.E., V.A. Saab, T.D. Rich, and D.S. Dobkin. 1993. Effects of livestock grazing on Neotropical migratory landbirds in western North America. Pages 296-309 in D.M. Finch and P.W. Stangel, editors. Status and management of Neotropical migratory birds.

Lee, D. S. 1993. Range expansion of the tree swallow, TACHYCINETA BICOLOR (Passeriformes: Hirundinidae), in the southeastern United States. Brimleyana 18:103-113.

Nelson, M. E. 1993. Natal dispersal and gene flow in white-tailed deer in northeastern Minnesota. J. Mamm. 74:316-322.

Sivinski, R. 1993. Flora Neomexicana: Cactus confusion. Native Plant Society of New Mexico Newsletter 18(4): 1-2.

Black, J. and R. Meyer. 1993. Summary of bird sighting in summer with summary by S.O. Williams III, NM Dept Game and Fish.

Hafner, D.J. 1993. Unpublished manuscript on Ochotona princeps nigrescens in New Mexico. . 2 p.

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

Unknown. 1993. BISON-M Draft- Taxonomy Species Cuckoo, Yellow Billed. Linnaeus Authority. USFS

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.

Brennan, L. A. and R. S. Fuller. 1993. Bobwhites and red-cockaded woodpeckers: endangered species management helps quail too! Quail Unlimited Magazine 12:16-20.

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.

U.S. Fish and Wildlife Service (USFWS). 1993. Proposal to remove the arctic peregrine falcon from the list of endangered and threatened wildlife. Federal Register 58(188):51035-51045. 30 September 1993.

Johnson, S. R. 1993. An important early-autumn staging area for Pacific Flyway brant: Kasegaluk Lagoon, Chukchi Sea, Alaska. J. Field Ornithol. 64:539-548.

Renken, R. B., and E. P. Wiggers. 1993. Habitat characteristics related to pileated woodpecker densities in Missouri. Wilson Bull. 105:77-83.

Varland, D. E., and T. M. Loughlin. 1993. Reproductive success of American kestrels nesting along an interstate highway in central Iowa. Wilson Bull. 105:465-474.