Cronquist, A. 1981. An integrated system of classification of flowering plants. Columbia Univ. Press, New York. 1262 pp.

U.S. Fish and Wildlife Service (USFWS). 1981. Plymouth red-bellied turtle recovery plan. U.S. Fish and Wildlife Service, Region 5. 13 pp.

Worthington, R.D. 1981. Status report [on Silene plankii]. Report prepared for U.S. Fish & Wildlife Service, Albuquerque, New Mexico.

Sedgwick, J. A. 1981. Breeding bird and small mammal habitat relationships in northwestern Colorado. Ph.D. Dissertation, Colorado State University. 139 pp.

Goldwasser, S. 1981. Habitat requirements of the Least Bell's Vireo. Final Rep., California Dept. of Fish and Game, Sacramento, CA.

Byrd, G. V., and C. F. Zeillemaker. 1981. Ecology of nesting Hawaiian common gallinules at Hanalei, Hawaii. W. Birds 12:105-116.

Kerlinger, P., and C. Doremus. 1981. Habitat disturbance and the decline of dominant avian species in pine barrens of the northeastern United States. American Birds 35:16-20.

Veselack, M. S. and J. J. Nisbet. 1981. The distribution and uses of Arundo donax (abstract). Proc. Indiana Acad. Sci. 90:92.

Green, B.H., and H.D. Smith. 1981. Habitat utilization by sage sparrows in mixed desert shrub community. Abstract only. Encyclia 58:159.

Payne, N. F. 1981. Accuracy of aerial censusing for beaver colonies in Newfoundland. Journal of Wildlife Management 45:1014-1016.

Frest, T.J. and R.S. Rhodes, II. 1981. Oreohelix strigosa cooperi (Binney) in the Midwest Pleistocene. The Nautilus, 95: 47-55.

Lawson, R., and H. C. Dessauer. 1981. Electrophoretic evaluation of the colubrid genus ELAPHE Fitzinger. Isozyme Bull. 14:83.

Zammuto, R. M., E. C. Franks, and C. R. Preston. 1981. Factors associated with the interval between feeding visits in brood-rearing Chimney Swifts. Journal of Field Ornithology 52:134-139.

Merritt, J.F. 1981. Clethrionomys gapperi. Am. Soc. Mamm.,Mammalian Species No. 146. 9 pp.

Wentworth, T.R. 1981. Vegetation on limestone and granite in the Mule Mtn, Arizona. Ecology. 62(2):469-482.

Vogt, R. C. 1981c. Natural history of amphibians and reptiles of Wisconsin. Milwaukee Public Museum. 205 pp.

Crum, H.A., and L.E. Anderson. 1981. Mosses of eastern North America. 2 Volumes. Columbia Univ. Press, New York. 1328 pp.

Hodgdon, H. E., and J. S. Larson. 1980. A bibliography of the recent literature on beaver. Massachusetts Agric. Exp. Sta. Res. Bull. 665. 128 pp.

Wisdom, M. J. 1980. Nesting Habitat of Lesser Prairie Chickens in Eastern New Mexico. Masters Thesis. University of New Mexico, Las Cruces.

Crawford, J. A. 1980. Status, problems, and research needs of the Lesser Prairie Chicken. Pages 1-7 in P. A. Vohs, Jr. and F. L. Knopf, editors. Proceedings of the Prairie Grouse Symposium, Oklahoma State University, Stillwater.

Mello, K. and P.R. Turner. 1980. Population status and distribution of Gila trout in New Mexico. Unpub Endangered Species report #6 for USFWS, Albuq, NM. 53 pp. Contract #14-16-0002-3563.

Terres, J.K. 1980. The Audobon Society Encyclopedia of North American Birds. New York, Alfred A. Knopf.

Woltering, F. 1980. Threatened and Endangered Species Habitat and Study Area Notes for Echinocereus fedleri var Kuenzleri. United States Department of Agriculture (USDA) - Forest Service, Albuquerque, NM. p 3.

Davis, C. A., T. Z. Riley, R. A. Smith, and M. J. Wisdom. 1980. Spring-summer foods of Lesser Prairie Chickens in New Mexico. Pages 75-80 in P. A. Vohs, Jr. and F. L. Knopf, editors. Proceedings of the Prairie Grouse Symposium, Oklahoma State University,

U.S. Fish and Wildlife Service (USFWS). 1980. Selected vertebrate endangered species of the seacoast of the United States- Mississippi sandhill crane. FWS/OBS-80/01.52, Slidell.

O'Farrell, M.J. and E.H. Studier. 1980. Myotis thysanodes. Mammalian Species 137:1-5.

Barrett, R. H., and D. S. Pine. 1980. History and status of wild pigs, SUS SCROFA, in San Benito County, California. Calif. Fish & Game 67:105-117.

Miller, G. C. and W. D. Graul. 1980. Status of sharp-tailed grouse in North America. Pages 18-28 in P. A. Vohs and F. L. Knopf, editors. Proc. Prairie Grouse Symp. Oklahoma State University, Stillwater, Oklahoma.

Cooper, J.E. 1980. Egg, larval and juvenile development of longnose dace, Rhinichthys cataractae, and river chub, Nocomis micropogon, with notes on their hybridation. Copeia 1980(3):469-478.

U.S. Fish and Wildlife Service (USFWS). 1980. Selected vertebrate endangered species of the seacoast of the United States - American peregrine falcon. FWS/OBS-80/01.57, Slidell.

Pleszczynska, W.K., and R.I.C. Hansell. 1980. Polygyny and decision theory: testing of a model in Lark Buntings (CALAMOSPIZA MELANOCORYS). American Naturalist 116:821-830.

Tryon, P. R., and S. F. MacLean. 1980. Use of space by Lapland Longspurs breeding in arctic Alaska. Auk 97:509-520.

Hohman, J. P. and R. D. Ohmart. 1980. Ecology of the desert tortoise on the Beaver Dam Slopes, Arizona. Contract YA-510-PH7-54. 46 pp. and appendix.

Lingle, G. R., and N. F. Sloan. 1980. Food habits of white pelicans during 1976 and 1977 at Chase Lake National Wildlife Refuge, North Dakota. Wilson Bulletin 92:123-125.

Soucy, L. J., Jr. 1980. Nest boxes for raptors: a helpful management technique. New Jersey Audubon 80:18-20.

Ratcliffe, D. 1980. The Peregrine Falcon. Buteo Books, Vermillion, South Dakota. 416 pp.

Keast, A., and E.S. Morton. 1980. Migrant birds in the neotropics: ecology, distribution, and conservation. Smithsonian Institution Press, Washington, DC.

Johnson, N. K. 1980. Character variation and evolution of sibling species in the EMPIDONAX DIFFICILIS-FLAVESCENS complex (Aves: Tyrannidae). Univ. California Pub. Zool. 112:x + 151 pp.

No author (White Sands National Monument). 1980. Plants and animals of the White Sands: a discussion of dunes ecology, with revised checklists. 25 pp.

Doerr, T. B. and F. S. Guthery. 1980. Effects of Shinnery Oak Control on Lesser Prairie Chicken Habitat. Pages 59-63 in P. A. Vohs, Jr., and F. L. Knopf, editors. Proceedings of the Prairie Grouse Symposium, Oklahoma State University, Stillwater, OK.

Miller, R.R. and B. Chernoff. 1980. Taxonomic status, ecology and distribution of the Chihuahua chub, Gila nigrescens. Unpub report to NM Dept Game and Fish Contract #14-16-0002-79-142. 36 pp.

Applegarth, J.S. 1980. The ridge-nosed rattlesnake in New Mexico: a review of existing information and a search for suitable habitat on public lands. Unpubl. manuscript for US Bureau of Land Mngt., Las Cruces, 140 pp.

No author. 1980. Plants and animals of the White Sands: a discussion of dunes ecology, with revised checklists. 25 pp.

DesGranges, J. L. 1980. Avian community structure of six forest stands in La Mauricie National Park, Quebec. Can. Wildlife Service, Occasional Paper 41.

U.S. Fish and Wildlife Service (USFWS). 1980. Selected vertebrate endangered species of the seacoast of the United States - Arctic peregrine falcon. FWS/OBS-80/01.51, Slidell.

Parker, J. W., 1980. Kites of the prairies. Bird Watcher's Digest (July/August):88-95.

Barlow, J.C. 1980. Patterns of ecological interactions among migrant and resident vireos on the wintering grounds. Pages 79-107 in A. Keast and E.S. Morton, editors. Migrant birds in the neotropics: ecology, distribution, and conservation. Smithsonian Ins

Morton, E. S. 1980. Adaptations to seasonal changes by migrant land birds in the Panama Canal zone. Pages 437-453 IN Migrant birds in the neotropics: ecology, distribution, and conservation (A. Keast and E. S. Morton, eds.). Smithsonian Institution Press,

Stiles, E. W. 1980. Bird community structure in alder forests in Washington. Condor 82:20-30.

Eastzer, D., P.R. Chee, and A.P. King. 1980. The young cowbird: average or optimal nestling? Condor 82:417-425.

U.S. Fish and Wildlife Service (USFWS). 1980. Selected vertebrate endangered species of the seacoast of the United States- Blunt-nosed leopard lizard. FWS/OBS-80/01.2, Slidell.

Pruett-Jones, S. G., M. Pruett-Jones, and R. L. Knight. 1980. The white-tailed kite in North and Middle America: current status and recent population changes. Am. Birds 34:682-688.

Wallace, R. L. 1980. Rhinichthys osculus (Girard), Speckled dace. Pp. 356 in D. S. Lee, et. al. Atlas of North American freshwater fishes. North Carolina State Museum of Natural History, Raleigh, VA. 854 pp.

Louisa Ecological Advisory Committee. 1980. Master Plan for the Big Sand Mound Nature Preserve, Working Draft No. 7. Report submitted to Iowa-Illinois Gas and Electric. Co., Davenport, IA. Unpublished, 34 pp.

Mirzoeva, S. S. 1980. Trematodes of birds of the Divichinsk Bay of central Caspia. Izvestiya Akad. Navk Azerb. SSR 1980:88-93.

Strelke, W. K. and J. G. Dickson. 1980. Effect of forest clear-cut edge on breeding birds in east Texas. Journal of Wildlife Management 44:559-567.

Roberson, D. 1980. Rare birds of the west coast of North America. Woodcock Publications, Pacific Grove, California. 496 pages.

Martin, W.C., and C.R. Hutchins. 1980-1981. A flora of New Mexico. 1980, Vol. 1; 1981, Vol. 2. J. Cramer, in der A.R. Gantner Verlag, K.G., Vaduz, Liechtenstein. 2591 pp.

Krohn, W. B., and E. G. Bizeau. 1980. The Rocky Mountain population of the western Canada goose: its distribution, habitats, and management. USFWS Spec. Sci. Rep.--Wildl. 229:1-93.

Nol, E. 1980. Factors affecting the nesting successof the killdeer (Charadrius melodus) on Long Point, Ontario. University of Guelph, Ontario. M.S. thesis. 155 pp.