Ely, D. C. 1990. A pair of pileated woodpeckers in the Wichita Mountains Wildlife Refuge, Comanche County, Oklahoma. Bull. Okla. Ornithol. Soc. 23:24-5.

Hickey, M. B. C., and M. B. Fenton. 1990. Foraging by red bats (LASIURUS BOREALIS): do intraspecific chases mean territoriality? Can. J. Zool. 68:2477-2482.

Meng, A., R. E. Carter, and D. T. Parkin. 1990. The variability of DNA fingerprints in three species of swan. Heredity 64:73-80.

Riddle, B. R., and R. L. Honeycut. 1990. Historical biogeography in North American arid regions: an approach using mitochondrial-DNA phylogeny in grasshopper mice (genus Onychomys). Evolution 44:1-15.

Stall, D. T. 1990. Microtus ochrogaster. Am. Soc. Mamm., Mammalian Species 355:1-9.

Price, A.H. 1990. Catalogue of American amphibians and reptiles. Society for the Study of Amphibians and Reptiles.

Chapman, J. A., and J. E. C. Flux. 1990. Rabbits, hares, and pikas. Gland, Switzerland, IUCN.

Advanced Sciences, Inc. 1990. Threatened and endangered species survey at the Nuclear Effects Laboratory. WSMR Environmental Services Report no. REC-11389, prepared under WSMR Contract DAAD07-90-C-0018, Work Assignment Order 200-4. 31 August 1990. . 17 p.

Hawes, D. 1990. Threatened and endangered species habitat study area notes form for Ipomopsis sancti-spiritus. 2 p.

Weltzin, J. F. 1990. The potential role of prairie dogs in regulating honey mesquite population dynamics. Texas A&M University. M.S. Thesis. Unpublished. 63 pp.

Tims, P. Aug 1, 1990. Threatened, endangered and sensitive plants observation record for Cirsium vinaceum on 1 August 1990. Lincoln NF, USFS.

Brooks, B. L., and S. A. Temple. 1990b. Dynamics of a loggerhead shrike population in Minnesota. Wilson Bull. 102:441-450.

Frey, J. K., and D. W. Moore. 1990. Nongeographic variation in the Mexican vole (Microtus mexicanus). Transactions of the Kansas Academy of Science 93:97-109.

Kerlinger, P., and D. S. Wiedner. 1990a. Habitat use and vocal behavior of black rails in south Jersey. Unpublished draft report. New Jersey Department of Environmental Protection, Endangered and Nongame Species Program. 18 pp.

Mehlhop, P. 1990. Field survey to Gray Ranch - Cienegas at mouth of Clanton Draw, S of TNC - hq. 17 Aug. 1990.

Morrison, J.L. 1990. The meadow jumping mouse in New Mexico: habitat preferences and management recommendations. In: Krausman, P.R. Smith, N.S., eds. Proceedings of the symposium on managing wildlife in the Southwest. Arizona Chapter, The Wildlife Society

Gila National Forest. 1989. Glenwood Ranger District Spotted Owl habitat description - form 2.

U.S. Forest Service (USFS). 1989. Implementation plan for the management of Astragalus ripleyi on the Carson National Forest. February 1989. Unpublished document. Carson National Forest, Tres Piedras, New Mexico, USA.

Hobbs, H. H., Jr. 1989. An Illustrated Checklist of the American Crayfishes (Decapoda: Astacidae, Cambaridae, and Parastacidae). Smithsonian Contributions to Zoology 480:1-236.

Blumton, A. K., J. D. Fraser, and K. Terwilliger. 1989. Loggerhead shrike survey and census. Pages 116-118 in Virginia nongame and endangered wildlife investigative annual report, July 1, 1988 through June 30, 1989. Virginia Department of Game and Inland

Johnson, P. 1989. 7/20/1989 field form.

Anonymous. 1989. Goshawk breeding habitat in lowland Britain. British Birds. 82(2):56-67.

Castro, G., and J.P. Myers. 1989. Flight range estimates for shorebirds. Auk 106:474-476.

Galbraith, D. A., R. J. Brooks, and M. E. Obbard. 1989. The influence of growth rate on age and body size at maturity in female snapping turtles (Chelydra serpentina). Copeia 1989:896-904.

Henny, C. J., and G. B. Herron. 1989. DDE, selenium, mercury, and white-faced ibis reproduction at Carson Lake, Nevada. J. Wildl. Manage. 53:1032-1045.

Lingle, G.R., and P.A. Bedell. 1989. Nesting ecology of sedge wrens in Hall County, Nebraska. Nebraska Bird Review 56:47-49.

Sharp, D. U. 1989. Range extension of the barred owl in western Washington and first breeding record on the Olympic Peninsula. J. Raptor Res. 23:179-180.

Williams, J.E, J.E. Johnson, D.A. Hendrickson, S. Contreras-Balderas, J.D. Williams, M. Navarro-Mendoza, D.E. McAllister, and J.E. Deacon. 1989b. Fishes of North America endangered, threatened or of special concern: 1989. Fisheries 14(6):2-20.

Bosakowski, T., an D. G. Smith. 1989. Survey of the woodland raptor community in the Pequannock watershed. Unpublished report. 19 pp.

Hershberger, W. 1989. Loggerhead shrike (LANIUS LUDOVICIANUS) survey: spring 1989 for the Washington and Frederick counties of Maryland. Unpubl. report, Maryland Natural Heritage Program, Annapolis, Maryland.

Williams, S.O. and K.E. Copeland. 1989 Bird survey - Guadalupe Canyon, Hidalgo Co. NM. 18-20 June 1989.

Wilson, R. W. and R. D. Stager. 1989. Association between soils and desert tortoise population densisties and distribution, Piute Valley, Nevada. Bureau of Land Management, Las Vegas, NV. 17 pp.

Ankney, C. D., D. G. Dennis, and R. C. Bailey. 1989. Increasing mallards, decreasing American black ducks--no evidence for cause and effect: a reply. J. Wildl. Manage. 53:1072-1075.

Densmore, L. D., III, J. W. Wright, and W. M. Brown. 1989. Mitochindrial-DNA analyses and the origin and relative age of parthenogenetic lizards (genus Cnemidophorus). II. C. neomexicanus and the C. tesselatus complex. Evolution 43:943-957.

Grubb, T. G., S. J. Nagiller, W. L. Eakle, and G. A. Goodwin. 1989. Winter roosting patterns of bald eagles (HALIAEETUS LEUCOCEPHALUS) in north-central Arizona. Southwestern Naturalist 34:453-459.

Maya, J. E., and P. Malone. 1989. Feeding habits and behavior of the whiptail lizard, Cnemidophorus tigris tigris. J. Herpetol. 23:309-311.

Robbins, C. S., D. K. Dawson, and B. A. Dowell. 1989a. Habitat area requirements of breeding forest birds of the Middle Atlantic states. Wildlife Monographs No. 103.

Titus, K., M. R. Fuller, and J. L. Ruos. 1989b. Considerations for monitoring raptor population trends based on counts of migrants. Pages 19-32 in B. U. Meyburg and R. D. Chancellor (editors). Raptors in the Modern World. Proceedings of the Third World Co

Bollinger, E. K., and T. A. Gavin. 1989. The effects of site quality on breeding-site fidelity in bobolinks. Auk 106:584-594.

Courtenay, W. R., Jr., and G. K. Meffe. 1989. Small fishes in strange places: a review of introduced poeciliids. Pages 319-331 in G.K. Meffe and F. F. Snelson, Jr. (editors). Ecology and evolution of livebearing fishes (Poeciliidae). Prentice Hall, Englew

Fleming, T. H. 1989. Climb every cactus. Bats 7(3):3-6.

Jones, C., and N. J. Hildreth. 1989. Neotoma stephensi. Am. Soc. Mamm., Mammalian Species No. 328:1-3.

Moore, W. S., and R. A. Dolbeer. 1989. The use of banding recovery data to estimate dispersal rates and gene flow in avian species: case studies in the Red-winged Blackbird and Common Grackle. Condor 91:242-253.

Ruckdeschel, C., and C. R. Shoop. 1989 (1987). Aspects of wood stork nesting ecology on Cumberland Island, Georgia. Oriole 52:21-27.

Zwank, P. J., and B. W. Layton. 1989. Black rats as potential Puerto Rican parrot nest predators. Caribbean J. Sci. 25:13-20.

Marsh, P. C., F. J. Abarca, M. E. Douglas, and W. L. Minckley. 1989. Spikedace (Meda fulgida) and loach minnow (Tiaroga cobitis) relative to introduced red shiner (Cyprinella lutrensis). Final report to Arizona Game and Fish Dept., Phoenix, AZ.

Rauchenberger, M. 1989. Systematics and biogeography of the genus Gambusia (Cyprinodontiformes: Poecilidae). American Museum Novitates (2951):1-74.

Morrison, R. I. G., and R. K. Ross. 1989. Atlas of Nearctic shorebirds on the coast of South America. Vols. 1 and 2. Canadian Wildl. Serv. Spec. Publ. 325 pp.

Belanger, L., and R. Couture. 1989. Pintail, ANAS ACUTA, use of man-made ponds in Quebec. Can. Field-Nat. 103:547-550.

Degernes, L. A., et al. 1989. Lead poisoning in trumpeter swans. Proc. Assoc. Avian Vet, 1989:144-155.

Hlohowskyj, C. P., M. M. Coburn, and T. M. Cavender. 1989. Comparison of a pharyngeal filtering apparatus in seven species of the herbivorous cyprinid genus, Hybognathus (Pisces: Cyprinidae). Copeia 1989:172-183.

Marsh, P. C., and J. E. Brooks. 1989. Predation by ictalurid catfishes as a deterrent to re-establishment of hatchery-reared razorback suckers. Southwestern Naturalist 34:188-195.

Olin, G., S. M. Alcorn, and J. M. Alcorn. 1989. Dispersal of viable saguaro seeds by white-winged doves (ZENAIDA ASIATICA). Southwest. Nat. 34:281-284.

Clayton, P. 1989. Memorandum to WSRA area manager on preliminary distribution study for grama grass cactus, Toumeya papyracantha, in Otero county, NM.

Jankowski, Karen, 1989. Element Stewardship Abstract: mosquito control. The Nature Conservancy, Boston, Massachusetts, 65 pp.

Schulenberg, T. 1989. More on Pacific versus arctic loons. Birding 21:157-158.

Woffinden, N. D., and J. R. Murphy. 1989. Decline of a ferruginous hawk population: a 20-year summary. J. Wildl. Manage. 53:1127-1132.

Binford, L.C. 1989. A distributional survey of the birds of the Mexican state of Oaxaca. American Ornithologists' Union, Ornithological monographs No. 43. 418 pp.

Hands, H. M., R. D. Drobney, and M. R. Ryan. 1989. Status of the red-shouldered hawk in the northcentral United States. Missouri Coop. Fish Wildl. Res. Unit Rep. 21 pp.

U.S. Fish and Wildlife Service, 1989. Mancos milkvetch (Astragalus humillimus) recovery plan. U.S. Fish and Wildlife Service, Albuquerque, NM. 47 pp.