Allen, O.N. and E.K. Allen. 1981. The Leguminosae: A source book of characteristics, uses and nodulation. The Univ. of Wisconsin Press, Madison, WI.

Whittemore, M. 1981. Chimney swifts and their relatives. Nature Books. 176 pp.

Seegmiller, R. F., and R. D. Ohmart. 1981. Ecological relationships of feral burros and desert bighorn sheep. Wildlife Monographs No. 78:1-58.

Smith, E. L. 1981. Effects of canoeing on common loon production and survival on the Kenai National Wildlife Refuge, Alaska. Colorado State University, Fort Collins, Colorado. M.S. thesis.

Worthington, R. 1981. Noteworthy Collection of Salvia summa. Department of Biological Sciences at the University of Texas, El Paso. USFS.

Milburn, T. 1981. STATUS & DISTRIBUTION OF THE LOGGERHEAD SHRIKE, LANIUS LUDOVICIANUS IN THE NORTHEASTERN U.S. UNPUB- LISHED REPORT SUBMITTED TO THE USDI/FWS OFFICE OF ENDANGERED SPECIES. 77 PP.

Hulse, A. C. 1981. Ecology and reproduction of the parthenogenetic lizard Cnemidophorus uniparens (Teiidae). Ann. Carnegie Mus. Nat. Hist. 50:353-369.

Shugart, G. W., M. A. Fitch, and V. M. Shugart. 1981. Minimizing investigator disturbance in observational studiesof colonial birds: access to blind through tunnels. WilsonBull. 93:565-569.

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.

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.

Irving, R. 1980. Untitled excerpt from a book, section 5. Hedeoma Apiculatum, pps 218-295.

Crawford, J.A. and F.A. Stormer. 1980. A bibliography of thelesser prairie chicken, 1873-1980. USDA Forest Service General Tech Rep RM-80, 8 p. Rocky Mountain Forest and Range Experiment Station, Fort Collins.

Sutcliffe, S. A. 1980. Aspects of the nesting ecology of common loons in New Hampshire. University of New Hampshire, Durham, New Hampshire. M.S. thesis.

Fletcher, R. 1980. Threatened and endangered species habitat study area field notes, USDA-Forest Service.

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

Reid, W. H. 1980. Final report: White Sands National Monument natural resources and ecosystem analysis, CX 702900001. Volume 1, report of studies. Unpublished report from the Laboratory for Environmental Biology, University of Texas at El Paso. October 19

Ponton, D.A. 1980. Raptor use of the Rio Grande gorge. Los Alamos Scientific Laborator, Los Alamos, NM. p. 34.

Kangas, D., B. Miller and D. Noll. 1980. A report on the 1980 studies of the Illinois mud turle in Missouri. Report to the Missouri Department of Conservation. Unpublished. 47 pp.

Ferris, C.D. 1980. Field notes on two hairstreaks from New Mexico with description of a new subspecies. Journal of the Lepidopterists' Society 34:217-223.

Marquiss, M. 1980. Habitat and diet of male and female hen harriers in Scotland in winter. British Birds 73:555-60.

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.

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.

Baltosser, W. H. 1980. A biological inventory of endangered species occurring in Guadalupe Canyon (Hildago County), New Mexico. New Mexico Department of Game and Fish, Contract 519-68-06, Final Report. 11 pp.

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.

Kartesz, J.T., and R. Kartesz. 1980. A synonymized checklist of the vascular flora of the United States, Canada and Greenland. Vol. 2. The biota of North America. Univ. of North Carolina Press, Chapel Hill. 500 pp.

Glutz von Blotzheim, U. N., and K. M. Bauer. 1980. Handbuch der Vogel Mitteleuropas. Volume 9. Columbiformes-Piciformes. Akademische Verlagsgesellschaft, Wiesbaden.

Unknown (1980) Wildlife Observation, USDA- Forest Service. Guadalupe Ranger District, Lincoln National Forest, USFS. 2 p.

Lawson, P.W. Fridrriksson, Fridrik. (1980) Peregrine Falcon Ecology in the Lincoln National Forest, Eddy County, New Mexico, 1979. Prepared for the U.S. Forest Service (Purchase Order No. 43-7512-9-397).

Smithsonian Institution. 1980. Draft abstracts on rare plants. Unpublished. Perhaps 100 individual abstracts.

Wilson, R. A. 1980b. Snowy plover nesting ecology on the Oregon coast. M.S. thesis, Oregon State Univ., Corvallis.

Brown, D. E., and C. H. Lowe. 1980. Biotic Communities of the Southwest. USDA Forest Service General Technical Report RM-78. Fort Collins, Colorado.

Ferris, C.D. and R.W. Holland. 1980. Two new subspecies of Occidryas anicia (Doubleday) from New Mexico. Bulletin of the Allyn Museum. 57:1-9.

Minsky, D. 1980. Preventing fox predation at a least tern colony with an electric fence. J. Field Ornithology 51(2):17-18.

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.

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

Bickham, J. W. and B. J. Gallaway. 1980. A status report on studies of the taxonomy of the Illinois mud turtle ( Kinosternon flavescens spooneri) with supplementary notes on its distribution and ecology. Report of LGL Ecological Research Associates, Bryna

Taylor, M. A., and F. S. Guthery. 1980a. Fall-winter movements, ranges, and habitat use of lesser prairie chickens. Journal of Wildlife Management 44:521-524.

Weigand, J. P. 1980. Ecology of the Hungarian partridge in north-central Montana. Wildl. Monogr. No. 74:1-106.

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

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.

Diem, K. L. and S. I. Zeveloff. 1980. Ponderosa pine bird communities. Pp. 170-197 in Workshop Proc: Management of western forests and grasslands for nongame birds (R. M. DeGraff and N. G. Tilghman, eds.). USDA. Forest Service Gen. Tech. Report INT-86.

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.