Constantz, G. D. 1989. Reproductive biology of poeciliid fishes. Pages 33-50 in G.K. Meffe and F. F. Snelson, Jr. (editors). Ecology and evolution of livebearing fishes (Poeciliidae). Prentice Hall, Englewood Cliffs, New Jersey.

Finch, D. 1989a. Species abundances, guild dominance patterns and community structure of breeding riparian birds. Pages 629-645 in R.R. Sharitz and J.W. Gibbons, editors. Freshwater wetlands and wildlife, 1989, CONF-8603101, DOE Symposium Series No. 61, U

Iverson, J. B. 1989. The Arizona mud turtle, Kinosternon flavescens arizonense (Kinosternidae), in Arizona and Sonora. Southwest. Nat. 34:356-368.

Miller, G. D., and W. S. Gaud. 1989. Composition and variability of desert bighorn sheep diets. J. Wildl. Manage. 53:597-606.

Robbins, M. 1989. What's your name, my little chickadee? Birding 21:205-207.

Williams, B. 1989a. The first breeding of the brown pelican in Virginia: a chronology. Raven 60:1-3.

Woodin, M. C., and G. A. Swanson. 1989. Foods and dietary strategies of prairie-nesting ruddy ducks and redheads. Condor 91:280-287.

Kaveney, D. E., and C. C. Rimmer. 1989. The breeding status of common loons in Vermont--1989. Vermont Inst. Nat. Sci., Woodstock, Vermont. Unpublished report.

Hill, J., J. W. Evans, and M. J. Van Den Avyle. 1989. Species profiles: life histories and environmental requirements of coastal fishes and invertebrates (South Atlantic)--striped bass. U.S. Fish and Wildlife Service Biological Report 82(11.118). 35 pp.

Morrison, R.I.G. and Ross, R.K. 1989. The atlas of Nearctic shorebirds on the coast of South America. Canadian Wildlife Service Special Publication, Ministry of Environment, Canada.

Belthoff, J. R., and G. Ritchison. 1989. Natal dispersal of eastern screech-owls. Condor 91:254-265.

Davidow-Henry, B. R., J. K. Jones, Jr., and R. R. Hollander. 1989. Cratogeomys castanops. Am. Soc. Mamm., Mammalian Species No. 338: 1-6.

Hill, B. G., and M. R. Lein. 1989. Territory overlap and habitat use of sympatric chickadees. Auk 106:259-268.

Lauro, B., and J. Burger. 1989. Nest-site selection of American oystercathers (HAEMATOPUS PALLIATUS) in salt marshes. Auk 106:185-192.

Ogden, J. C., C. E. Knoder, and A. Sprunt, IV. 1989. Colonial wading bird populations in the Usumacinta delta, Mexico. Pp. 595-605 IN Ecologia y conservacion del Delta de los rios Usumacinta y Grijalva (Memorias). INIREB, Division Regional. Tabasco, Mexic

Bureau of Land Management (BLM). 1989. San Luis Resource Management Plan and Environmental Impact Statement - Draft. Unpublished Report. September. US Department of Interior, Bureau of Land Management, Denver, Colorado, USA.

Hudgens, B. (1989) Gila Natioanl Forest, Quenado Ranger District, Spotted Owl Surveys Form 1. Retrieved from Silver City Ranger District, Gila National Forest, USFS. 9 p.

Schmutz, J. K. 1989. Hawk occupancy of disturbed grasslands in relation to models of habitat selection. Condor 91:362-371.

Wilkins, K. T. 1989. Tadarida brasiliensis. Am. Soc. Mamm., Mammalian Species No. 331:1-10.

Weigl, P. D., et al. 1989. The ecology of the fox squirrel (SCIURUS NIGER) in North Carolina: implications for survival in the southeast. Bull. Tall Timbers Research Station 24:1-93.

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.