Donaldson, W., A.H. Price and J. Morse. 1993. Phrynosoma cornutum status survey. Final report as required by the Endangered Species Act, section 6.

Haug, E.A., and A.B. Didiuk. 1993. Use of recorded calls to detect burrowing owls. Journal of Field Ornithology 64:188-194.

Martin, T.E. 1993b. Nest predation among vegetation layers and habitat types: revising the dogmas. American Naturalist 141:897-913.

Shank, C. C., R. G. Bromley, and K. G. Poole. 1993. Increase in breeding population of tundra peregrine falcons in the central Canadian arctic. Wilson Bull. 105:188-190.

McCormack, L. (1993) Nationl Forests 1992 Northern Goshawk Monitoring Form. Lincoln Supervisor's Office, Lincoln National Forest, USFS. 17 p.

Wiens, J. J. 1993. Phylogenetic systematics of the tree lizards (genus Urosaurus). Herpetologica 49:399-420.

Navajo Natural Heritage Program. 1993. Element occurrence record for an Erigeron bistiensis, sent to NMNHP.

Sibley, D. 1993. The birds of Cape May. Cape May Bird Observatory, Cape May, NJ.

Arita, H. T. 1993. Conservation biology of the cave bats in Mexico. Journal of Mammalogy 74:693-702.

Clark, K. E., L. J. Niles, and J. Burger. 1993. Abundance and distribution of migrant shorebirds in Delaware Bay. Condor 95:694-705.

Groth, J. G. 1993a. Call matching and positive assortative mating in red crossbills. Auk 110:398-401.

Pasitschniak-Arts, M. 1993. Ursus arctos. American Society Mamm., Mammalian Species No. 439:1-10.

Whitmore, R. C., R. J. Cooper, and B. E. Sample. 1993. Bird fat reductions in forest treated with Dimilin [registered trademark]. Environ. Toxicol. Chem. 12:2059-64.

Ceballos, G., E. Mellink and L.R. Hanebury. 1993. Distribution and conservation status of prairie dogs Cynomys mexicanus and Cynomys ludovicianus in Mexico. Biological Conservation 63:105-112

Howes, L.-A., and W. A. Montevecchi. 1993. Population trends and interactions among terns and gulls in Gros Morne National Park, Newfoundland. Can. J. Zool. 71:1516-1520.

Peterjohn, B.G., and J.R. Sauer. 1993. North American breeding bird survey annual summary 1990-1991. Bird Populations 1:1-15.

Van Horn, R.C. 1993. A summary of reproductive success and mortality in a disturbed Ferruginous Hawk (BUTEO REGALIS) population in northcentral Montana. Journal of Raptor Research 27:94.

Geer, S.M. and V.J. Tepedino. 1993. Breeding systems of the rare heliotrope milkvetch (Astraglus montii Welsh: Fabaceae) and two common congeners. In: Proceedings of the southwestern rare and endangered plant conference. Based on the conference held March

Anderson, D.L. 1993. Memorandum for Environmental Coordinator, subject: comments on findings of field survey of vegetation and plant species conducted at proposed road waste disposal site at San Augustin Pass (REC-02593). 29 January 1993. 1 page.

Cleary, D. 1993. Phone conversation with N.M. Runyan at NM Natural Heritage Program regarding breeding locations of SW Willow flycatcher on Zuni Indian Reservation.

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

Rundell, L. 1993. Memo to area managers of Mimbres and Caballo Resource Areas about recent plant discoveries from district manager. May 18, 1993.

Muldavin, E. 1993. Otero Mesa vegetation map project. New Mexico Natural Program

McIntosh, L. 9 March 1993. Computer generated map of special status plant species for Alamogordo south 7.5" quad. BLM district office, Las Cruces.

Gila National Forest. 1993. Mexican Spotted Owl inventory forms.

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. BISON-M Draft - Taxonomy Species Grosbeak, Pine. Linnaeus Authority. USFS

Tobin, M. E., and M. E. Richmond. 1993. Vole management in fruit orchards. U.S. Fish and Wildlife Service Biological Report 5. ii + 18 pp.

Castro, G., and J. P. Myers. 1993. Shorebird predation on eggs of horseshoe crabs during spring stopover on Delaware Bay. Auk 110:927-930.

Germano, D. J. 1993. Shell morphology of North American tortoises. American Midland Naturalist 129:319-335.

Burns, B. (1993) 1993 Mexican Spotted Owl Forms. Silver City Ranger District, Gila National Forest, USFS. 31 p.

Gennard, A.L. 1993. Breeding of an urban population of Mississippi kites in Clovis, NM during the summer of 1992. Report to Nongame Program, NM Dept. of Game and Fish.

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

Painter, C. 1993. Letter to BLM summarizing Black River radio telemetry field work on turtles during 1993. New Mexico Dept. of Game & Fish, 10 p.

Unknown (1993) Gila National Forest - North Zone, Mexican Spotted Owl (Strix occidentalis lucida) Informal Monitoring Results, 1993. Silver City Ranger District, Gila National Forest, USFS. 21 p.

Plumpton, D.L., and R.S. Lutz. 1993. Influence of vehicular traffic on time budgets of nesting burrowing owls. Journal of Wildlife Management 57:612-616.

Villard, M.-A., P. R. Martin, and C. G. Drummond. 1993. Habitat fragmentation and pairing success in the ovenbird (SEIURUS AUROCAPILLUS). Auk 110:759-768.

Mehlhop, P. 1993. Field trip by P. Mehlhop and C. Painter to Torreon Spring, July 2, 1993.

Conrad, K.F., and R.J. Robertson. 1993. Relationship of age and sex to size and color of Eastern Phoebes. Wilson Bulletin 105:597-603.

Ecosphere Environmental Services. 1993. A survey for threatened and engandered plant species at three proposed reservoir sites and associated pipelines. United States Forest Service (USFS) Regional Office, Albuquerque, NM. p. 11.

Hengeveld, R. 1993. What to do about the North American invasion by the collared dove? J. Field Ornithol. 64:477-489.

McGuire, B., et al. 1993. Natal dispersal and philopatry in prairie voles (Microtus ochrogaster) in relation to population density, season, and natal social environment. Behav. Ecol. Sociobiol. 32:293-302.

Simpson, M. R. 1993. Myotis californicus. Am. Soc. Mamm., Mammalian Species No. 428:1-4.

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

Wright, J. W. 1993. Evolution of the lizards of the genus Cnemidophorus. Pages 27-81 in J. W. Wright and L. J. Vitt, editors. Biology of whiptail lizards (genus Cnemidophorus). Oklahoma Museum of Natural History, Norman. Herpetologists' League Special Pub

Painter, C. 1993. Preliminary Investigations of the Distribution and Natural History of the Rio Grande River Cooter (Pseudemys concinna gorzugi) in New Mexico. New Mexico Dept. of Game & Fish, 10 p.

Sivinski, R. 1993. Section 6 annual report to the U.S. Fish and Wildlife Service, Region 2, Albuquerque, New Mexico.

Petit, D. R., J. F. Lynch, R. L. Hutto, J. G. Blake, and R. B. Waide. 1993. Management and conservation of migratory landbirds overwintering in the neotropics. Pages 70-92 in D. M. Finch and P. W. Stangel (editors). Status and Management of Neotropical Mi

Askins, R. A. 1993. Population trends in grassland, shrubland, and forest birds in eastern North America. Current Ornith. 11:1-34.

Couture, R., M. Babin, and S. Perras. 1993. Survey of woodcock habitat with Lansat: possibilities and limitations of remote sensing. Pages 50-56 in J. R. Longcore and G. F. Sepik, editors. Proceedings of the eighth American woodcock symposium. U.S. Fish a

Hagan, J. M., III. 1993. Decline of the rufous-sided towhee in the eastern United States. Auk 110:863-874.

Post, W., and C.A. Seals. 1993. Nesting association of Least Bitterns and Boat-tailed Grackles. Condor 95(1):139-144.

With, K.A., and D.R. Webb. 1993. Microclimate of ground nests: the relative importance of radiative cover and wind breaks for three grassland species. Condor 95:401-413.

Colwell, M.A., and R.J. Cooper. 1993. Estimates of coastal shorebird abundance: the importance of multiple counts. Journal of Field Ornithology 64(3):293-301.

Johnson, O. W., P. G. Connors, P. L. Bruner, and J. L. Maron. 1993. Breeding ground fidelity and mate retention in the Pacific Golden-Plover. Wilson Bulletin 105:60-67.

Flora of North America Editorial Committee (FNA). 1993b. Flora of North America north of Mexico. Vol. 1. Introduction. Oxford Univ. Press, New York. xxi + 372 pp.

Plummer, M. V. 1993. Thermal ecology of arboreal green snakes (Opheodrys aestivus). J. Herpetol. 27:254-260.

Villard, P. and C. W. Benniger. 1993. Foraging behavior of male Black-backed and Hairy woodpeckers in a forest burn. Journal of Field Ornithology 64(1):71-76.

Haug, E.A., B.A. Millsap, and M.S. Martell. 1993. Burrowing Owl (SPEOTYTO CUNICULARIA). In A. Poole and F. Gill, editors, The Birds of North America, No. 61. Academy of Natural Sciences, Philadelphia, and American Ornithologists' Union, Washington, DC. 20

Assistant Colorado State Supervisor, U.S. Fish and Wildlife Service. 1993. Report on San Luis Valley Interagency Field Trip July 6 and 8, 1993.