Fleming, W. J., D. R. Clar, Jr., and C. J. Henny. 1983. Organochlorine pesticides and PCB's: a continuing problem for the 1980's. Trans. N. Amer. Wildl. and Nat. Resour. Conf. 48:186-99.

Kantrud, H. S. and R. L. Kologiski. 1983. Avian associations of the northern Great Plains grasslands. Journal of Biogeography 10:331-350.

Poss, S. G., and R. R. Miller. 1983. Taxonomic status of the plains killifish, Fundulus zebrinus. Copeia 1983:55-67.

Zielinski, W. J., W. D. Spencer, and R. H. Barrett. 1983. Relationship between food habits and activity patterns of pine martens. J. Mamm. 64:387-396.

DeBruin, E. New Mexico Natural Heritage Program, UNM, 2808 Central Ave SE, 87131. (505)277-1983.

Myers, N. 1983. A wealth of wild species. Westview Press,Boulder, Colorado. xiii + 274 pp.

Dickson, J. G., R. N. Conner, and J. H. Williamson. 1983. Snag retention increases bird use of a clear-cut. Journal of Wildlife Management 47:799-804.

Mikkola, H. 1983. Owls of Europe. Buteo Books, Vermillion, South Dakota. 400 pp.

McIntyre, J. W. 1983. Nurseries: a consideration of habitat requirement during the early chick-rearing period in common loons. Journal of Field Ornithology 54:247-53.

Shy, E. 1983. The relation of geographical variation in song to habitat characteristics and body size in North American tanagers (Thraupinae: Piranga). Behav. Ecol. Sociobiol. 12:71-6.

Forshaw, J. M., and W. T. Cooper. 1983. Kingfishers and related birds. Vol. 1. Alcedinidae, Ceryle to Cittura. Landsdowne Editions, Sydney.

Taylor, D.W. 1983 (?). New species of molluscs from New Mexico. Report to New Mexico Department of Game and Fish.

Penak, B.L. 1983. Status report on the Cooper's Hawk ACCIPITER COOPERII. Committee on the Status of Endangered Wildlife in Canada (COSEWIC). 69 pp.

Bick, G.H. 1983. Odonata at risk in conterminous United States and Canada. Odonatologica 12(3):209-226.

Frost, D. 1983. Past occurrence of ACRIS CREPITANS (Hylidae) in Arizona. Southwestern Naturalist 28:105.

American Ornithologists' Union (AOU) . 1983. Check-list of North American Birds. 6 Ed. Allen Press, Lawrence. 877 pp.

Krekorian, C. O'Neil. 1983. Population density of the desert iguana, Dipsosaurus dorsalis (Reptilia: Iguanidae), in southern California. Copeia 1983:268-271.

Safina, C., and J. Burger. 1983. Effects of human disturbance on reproductive success in the black skimmer. Condor 85:164-171.

Crawford, R. L., S. L. Olson, and W. K. Taylor. 1983. Winter distribution of subspecies of clapper rails (RALLUS LONGIROSTRIS) in Florida with evidence for long-distance andoverland movements. Auk 100:198-200.

Jackson, J. A. 1983. Nesting phenology, nest site selection, and reproductive success of black and turkey vultures. Pages 245-270 in Wilbur, S. R., and J. A. Jackson,eds. Vulture biology and management. Univ. Calif. Press.

Stromberg, M. R., et al. 1983. Black-footed ferret prey requirements: An energy balance estimate. Journal of Wildlife Management 47(1):67-73.

Barneby, R.C. 1983. Dragma Hippomanicum IX. A new Astragalus (Leguminosae: Astragalanae) from sandstone rim-rock in New Mexico. Brittonia 35(2): 109-110.

Frank, R., H. Lumsden, J.F. Barr, and H.E. Braun. 1983. Residues of organochlorine insecticides, industrial chemicals, and mercury in eggs and tissues taken from healthy and emaciated common loons, Ontario, Canada, 1968-1980. Archives of Environmental Con

Kodric-Brown, A. 1983. Determinants of male reproductive success in pupfish (Cyprinodon pecosensis). Anim. Behav. 31:128-137.

Rodgers, J. A., Jr. 1983. Foraging behavior of seven species of herons in Tampa Bay, Florida. Colonial Waterbirds 6:11-23.

Zimmerer, E. G. 1983. Effect of salinity on the size-hierarchy effect in Poecilia latipinna, P. reticulata and Gambusia affinis. Copeia 1983:243-245.

American Ornithologists' Union (AOU). 1983. Check-list of North American Birds, 6th edition. Allen Press, Inc., Lawrence, Kansas. 877 pp.

Page, L. M. 1983a. Handbook of Darters. T. F. H. Publications, Inc., Neptune City, New Jersey. 271 pp.

Dixon, K. R., J. A. Chapman, G. R. Willner, D. E. Wilson, and W. Lopez-Forment. 1983. The New World jackrabbits and hares (genus Lepus). 2. Numeric taxonomic analysis. Acta Zoologica Fennica 174:53-56.

New Mexico Natural Heritage Plant Protection Advisory Committee. 1983. A handbook of rare and endmic plants of New Mexico. Univ. of New Mexico Press, Albuquerque.

McLandress, M. R. 1983. Temporal changes in habitat selection and nest spacing in a colony of Ross' and lesser snow geese. Auk 100: 335-343.

Smith, W. P. 1983. Cooperative harassment of a pileated woodpecker by juvenile sharp-shinned hawks. Murrelet 64:97-8.

Heaney, L. R., and R. M. Timm. 1983. Relationships of pocket gophers of the genus Geomys from the central and northern Great Plains. Univ. Kansas Mus. Nat. Hist. Misc. Pub. 74. 59 pp.

WSMR Game Wardens, Unit 9. 1983. Ground observation monthly report, April 1983 of Bald Eagle. White Sands Missile Range, WSMR-NM-88002 Station. . 2 p.

Pierson, E. C. 1983. Black terns nesting in Maine. Unpubl. report, Maine Critical Areas Program, Augusta, Maine. 21 pp.

Bogan, M.A. and P. Mehlhop 1983. Systematic relationships of gray wolves (Canis lupus) in southwestern North America. Occasional papers the Museum of Southwestern Biology. Num. 1:1-21. (17 June 1983)

Gochfeld, M. 1983. The roseate tern: world distribution and status of a threatened species. Biological Conservation 25(2):103-125.

Lanning, D. V., and J. T. Shiflett. 1983. Nesting ecology of thick-billed parrots. Condor 85:66-73.

Savage, M. J. and K. Vermeulen. 1983. Microclimate modification of tall moist grasslands of Natal by spring burning. Journal of Range Mangement 36:172-?.

Curtis, P. D., C. E. Braun, and R. A. Ryder. 1983. Wing markers: visibility, wear, and effects on survival of band-tailed pigeons. Journal of Field Ornithology 54:381-386.

King, C.M. 1983. Mustela erminea. Am. Soc. Mamm., Mammalian Species No. 195. 8 pp.

Taylor, W.K., R.L. Crawford, M. Kershner, and S. Gravel. 1983. House Wren migration compared with other wrens: an emphasis on Florida. Journal of Field Ornithology 54:17-24.

P84SIV01NMUS, Legacy reference. Physical copy not yet located. - EO Table

Brittingham, M.C., and S.A. Temple. 1983. Have cowbirds caused forest songbirds to decline? BioScience 33:31-35.

Frederick, R. B., and R. R. Johnson. 1983. Ross' goose increasing in central North America. Condor 85:257-258.

Lam, T. H. 1983. Environmental influences on gonadal activity in fish. Pages 65-116 in W. S. Hoar, D. J. Randall, and E. M. Donaldson (editors). Fish Physiology, Vol. 9B. Academic Press, New York, New York.

Shelton, P. C., and R. O. Peterson. 1983. Beaver, wolf and moose interactions in Isle Royale National Park, U.S.A. Acta Zool. Fenn. 174:265-266.

Zimmerman, J.L. 1983. Cowbird parasitism of Dickcissels in different habitats and at different nest densities. Wilson Bulletin 95:7-22.

Arnett, Jr., Ross H., ed. 1983. Checklist of the Beetles of North and Central America and the West Indies. Flora and Fauna Publications, Gainesville, Florida. 24 P. (Pertains to all subsequent fasicle updates as well).

van Zyll de Jong, C.G. 1983. Handbook of Canadian mammals. 1. Marsupials and insectivores. National Museum of Natural Sciences, National Museums of Canada, Ottawa, Canada. 210 pp.

Duggins, C. F., Jr., A. A. Karlin, and K. G. Relyea. 1983. Electrophoretic variation in the killifish genus Luciana. Copeia 1983:564-570.

Nussbaum, R.A., E.D. Brodie, Jr., and R.M. Storm. 1983. Amphibians and Reptiles of the Pacific Northwest. University Press of Idaho, Moscow, Idaho. 332 pp.

National Audubon Society. 1983. Eighty-third Christmas Bird Count. Audubon Field Notes 37:69-408.

Johnson, T.B. 1983. Status Report: Crotalus willardi willardi (Meek 1905). Unpubl. Report to Office of Endangered Species, USFWS.

Mendenhall, V. M., E. E. Klaas, and M. A. R. McLane. 1983. Breeding success of barn owls fed low levels of DDE and Dieldrin. Archives of Envirnonmental Contamination and Toxicology 12:235-40.

Stacey, P. B., R. D. Arrigo, T. C. Edwards, and N. Joste. 1983. Northwestern extension of the breeding range of the elf owl in New Mexico. Southwestern Naturalist 28:99-100.

Janzen, D.H. ed. 1983. Costa Rican natural history. Univ. Chicago Press, 816 pp.

Rowell, C.M., Jr. 1983. Status report [on Amsonia tharpii]. Report prepared for the U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

Brown, D. E. 1983. On the status of the jaguar in the Southwest. Southwestern Naturalist 28:459-460.

Leonard, M. L., and M. B. Fenton. 1983. Habitat use by spotted bats (Euderma maculatum, Chiroptera: Vespertilionidae): roosting and foraging behavior. Can. J. Zool. 61:1487-1491.