Havlik, M.E. 1981. The historic and present distribution of the endangered mollusk Lampsilis higginsi (Lea 1857). Bulletin of the American Malacological Union for 1980: 19-22.

Rickard, W. H., R. E. Fitzner, and C. E. Cushing. 1981. Biological colonization of an industrial pond, status after two decades. Environmental Conservation 8:241-7.

Morrison, M. L. 1981a. Population trends of the Loggerhead Shrike in the United States. Am. Birds 35(4): 754-757.

Fitch, H.S., W.S. Brown, and W.S. Parker. 1981. Coluber mormon, a species distinct from C. constrictor. Trans. Kansas Acad. Sci. 84:196-203.

Potter, E. F. 1981. Effects of cool weather on nesting behavior and development in the Yellow-billed Cuckoo. Chat 45:15-16.

Hayes, B. 1981. The grizzly bear: portraits from life. 370 pp.

Hall, J. G. 1981c. A field study of the Kaibab squirrel in Grand Canyon National Park. Wildlife Monographs No. 75:1-54.

Conner, J. and A. Price. 1981. Inventory of terrestrial wildlife species for the Stallion Planning Unit based on methods from the Integrated Habitat and Classification System (IHICS), Prepared by Socorro District, BLM. 206p.+app.

Crawford, R. L. 1981. Bird casualties at a Leon county, Florida tv tower: a 25-year migration study. Bull. Tall Timbers Res. Sta., No. 22.

Fritts, S. H., and L. D. Mech. 1981. Dynamics, movements, and feeding ecology of a newly protected wolf population in northwestern Minnesota. Wildlife Monographs No. 80:1-79.

Jacobs, R.W. (1981) Environmental Assessment on Rio Grande Cutthroat Trout Restoration. Retrieved from Regional Office, USFS. 17 p.

Fletcher, R.1981. Anticipated Effects of Timber sale on Allium gooddingii. United States Forest Service (USFS) Regional Office, Albuqueruqe, NM. p.9.

Worthington, R. 1981. Status Report for Potentilla sierrae-blancae. Endangered Species Office, Fish and Wildlife Service, Albuquerque, New Mexico. USDS

Dalsted, K. J., et al. 1981. Application of remote sensing to prairie dog management. Journal of Range Management 34:218-23.

Morrison, M. L. 1981a. Population trends of the Loggerhead Shrike in the United States. American Birds 35(4):754-7.

Inouye, R. S., N. J. Huntly and D. W. Inouye. 1981. Non-random orientation of Gila Woodpecker nest entrances in saguaro cacti. Condor 83:88-89.

Rollins, D. 1981. Diets of sympatric bobwhite and scaled quail in Oklahoma. Proceedings of the Annual Conference of the Southeastern Association of Fish and Wildlife Agencies 35:239-248.

Opler, P. A. 1981. Management of prairie habitats for insect conservation. Natural Areas J. 1(4): 3-6.

Fischer, D. H. 1980c. Breeding biology of curve-billed thrashers and long-billed thrashers in southern Texas. Condor 82:392-397.

Parker, W.S. and W.S. Brown. 1980. Comparative ecology of two colubrid snakes, Masticophis t. taeniatus and Pituophis melanoleucus deserticola in northern Utah. Milwaukee Pub. Mus.Publ. Biol. and Geol. No. 7, i-viii+104 pp.

Turner, J. C., and R. A. Weaver. 1980. Water. Pp. 100-112 IN G. Monson and L. Sumner, eds. The desert bighorn: its life history, ecology, and management. University of Arizona Press, Tucson.

Kobetich, G., et al. 1980. Pahrump killifish recovery plan. U.S. Fish and Wildlife Service. 29 pp.

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

Perkins, P. D. 1980. Aquatic beetles of the family Hydraenidae in the western hemisphere: Classification, biogeography, and inferred phylogeny (Insecta: Coleoptera). Quaestiones Entomologicae (U. Alberta, Edmonton) 16(1-2): 3-554.

Unknown, 1980. Guadalupe Mountains, Black canyon, list of plants noted.

Bown, R. R. 1980. The status of the Columbian sharp-tailed grouse in the Tobacco Plains, Eureka, Montana. B.S. Thesis. University of Montana, Missoula. 42pp.

Cannon, R. W., and F. L. Knopf. 1980. Distribution and Status of the Lesser Prairie Chicken in Oklahoma. Pages 71-74 in P. A. Vohs, Jr. and F. L. Knopf, editors. Proceedings of the Prairie Grouse Symposium, Oklahoma State University, Stillwater.

Graves, W.C. 1980. Annual oak mast yields from virtual estimates. Proceedings of the symposium on the ecology management and utilization of California oaks. Gen tech. Rep. PSW-44 Pacific Southwest Forest and Range Exp. Sta. USDA Forest Service. Berkeley

Potter, E. F. 1980. Notes on nesting Yellow-billed Cuckoos. Journal of Field Ornithology 51:17-29.

Clement, S.L., and R.P. Meyer. 1980. Adult biology and behavior of the dragonfly TANYPTERYX HAGENI (Odonata: Petaluridae). J. Kansas Ent. Soc. 53(4):711-719.

Pearson, D. L. 1980. Bird migration in Amazonian Ecuador, Peru, and Bolivia. Pages 273-283 IN Migrant birds in the neotropics (A. Keast and E. S. Morton, eds.). Smithsonian Institution Press, Washington, D.C.

Turner, J. C., and C. G. Hansen. 1980. Reproduction. Pp. 145-151 in: G. Monson and L. Sumner, eds. The desert bighorn: its life history, ecology, and management. University of Arizona Press, Tucson.

Kennedy, P. L. 1980. Prey size selection patterns of nesting male and female Cooper's hawks. University of Idaho, Idaho. M.S. Thesis.

Frase, B.A. and R.S. Hoffmann. 1980. Marmota flaviventris. Mammalian Species, 135:1-8.

Reynolds, T.D. 1980. Effects of some different land management practices on small mammal populations. Journal of Mammalogy 61:558-561.

Worthington, R. D. 1980. Elaphe subocularis. Cat. Am. Amph. Rep. 268.1-268.2.

U.S. Fish and Wildlife Service (USFWS). 1980. Selected vertebrate endangered species of the seacoast of the U.S. - Moro Bay Kangaroo rat. FWS/OBS-80/01.19.

Webster, J. D. 1980. Red pine plantation. P. 62 in W. T. Van Velzen, editor. Forty-third breeding bird census. American Birds 34:14-106.

Allen, J. N. 1980. The ecology and behavior of the long-billed curlew in southeastern Washington. Wildl. Monogr. 73:1-67.

Parker, W. S., and W. S. Brown. 1980. Comparative ecology of two colubrid snakes, Masticophis t. taeniatus and Pituophis melanoleucus deserticola, in northern Utah. Milwaukee Pub. Mus. Pub. Biol. Geol. 7. 104 pp.

Peterson, R.T. 1980b. A field guide to the birds of eastern and central North America. Houghton Mifflin Company, Boston.

Bury, R. B., C. K. Dodd, Jr., and G. M. Fellers. 1980. Conservation of the Amphibia of the United States: a review. U.S. Fish and Wildlife Service, Washington, D.C., Resource Publication 134. 34 pp.

Egbert, J. 1980. Observations of wildlife and wildlife habitat in canyon and broadleaf riparian areas of the Animas Mountains. Unpublished manuscript for Steve Dobrott's management plan for the Animas Mountains, Hidalgo County, New Mexico. . 69 p.

U.S. Fish and Wildlife Service (USFWS). 1980. Listing the Oregon Silverspot Butterfly as a Threatened Species with Critical Habitat (Final Rule). Federal Register 45(129):44935-9.

Green, J. S. and J. T. Flinders. 1980a. Brachylagus idahoensis. Mammalian Species 125:1-4.

Reynolds, T.D., and C.H. Trost. 1980. The response of native vertebrate populations to crested wheatgrass planting and grazing by sheep. Journal of Range Management 33:122-125.

Collins, J. P., J. B. Mitton, and B. A. Pierce. 1980. AMBYSTOMA TIGRINUM: a multispecies conglomerate? Copeia 1980:938-941.

Pope, M.H. Highton, R. (1980) Geographic Genetic Variation in the Sacramento Mountain Salamander, Aneides hardii. Published in the Journal of Herpetology 14(4):343-346. University of Maryland, Department of Zoology, 4 p.

Webb, Robert G. 1980. Thamnophis cyrtopsis. Catalogue of American Amphibians and Reptiles. (245):1-4.

Lopez-Soto, J. H. 1980. Datos ecologica del Tlalcoyote TAXIDEA TAXUS BERLANDIERI Baird (1858), en el Ejido Tokio Gleana, Nuevo Leon, Mexico. Universidad Auton. De Nuevo Leon, Monterrey, Mexico. M.S. Thesis.

Bednarik, A. F. and G. F. Edmunds, Jr. 1980. Descriptions of larval Heptagenia from the Rocky Mountain region (Ephemeroptera: Heptageniidae). Pan-Pacific Entomologist 56: 51-62.

Gross, M. R. and W. A. Nowell. 1980. The reproductive biology of rock bass, Ambloplites rupestris (Centrarchidae), in Lake Opinicon, Ontario. Copeia (3): 482-489.

Rinne, J.N. 1980. Spawning habitat and behavior of Gila trout, a rare Salmonid of the SW US. Trans Amer Fish Soc 109:83-91.

U.S. Fish and Wildlife Service (USFWS). 1980. Selected vertebrate endangered species of the seacoast of the United States- the eastern cougar. FWS/OBS-80/01.44, Slidell.

Wurtsbaugh, W. A., J. J. Check, Jr. and J. Compton. 1980. Effect of fish size on prey size selection in Gambusia affinis. Proceedings and Papers of the Annual Conference of the California Mosquito Vector Control Association 48:48-51.

Christiansen, K. and P. Bellinger. 1980. The Collembola of North America north of the Rio Grande, a taxonomic analysis. 1st ed., Grinnell College, Grinnell, Iowa, 1322 pp.

Potter, E. F., J. F. Parnell, and R. P. Teulings. 1980. Birds of the Carolinas. Univ. North Carolina Press, Chapel Hill. 408 pp.

Taylor, M. A., and F. S. Guthery. 1980b. Status, Ecology, and Management of the Lesser Prairie Chicken. USDA Forest Service General Technical Report RM-77, 15 p. Rocky Mountain Forest and Range Experiment Station, Fort Collins, CO.

Echelle, A. A., and A. F. Echelle. 1980. Status of the Pecos gambusia, Gambusia nobilis. U.S. Fish and Wildlife Serv., Albuquerque. Endangered Species Report No. 10:1-73.

Ermer, E. M. 1980. Beaver management studies in Region 9. New York Federal Aid in Fish and Wildlife Restoration Project W-139-D (annual report for Job 1-7). New York State Department of Environmental Conservation.