Savaloja, T. 1981. Yellow Rail. Birding 13(3):80-85.

McDonald, J.N. 1981. North American Bison -- their classification and evolution. 316 pp.

Dressler, R. 1981. The Orchids: Natural History and Classification. Harvard Univ. Press, Cambridge, MA. 332 pp.

Broschart, M.R. (1981) Nesting Study of a Peregrine Falcon Pair in the Carson National Forest, New Mexico.

Wallmo, O.C. 1981. The mule and black-tailed deer of North America. 605 pp.

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

Greenwalt, L. 1981. Rules and regulations: Eriogonum gypsophilum, Hedeoma todsenii. Federal Register. 46 (12):5730-5733.

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.

Cameron, G.N. and S.R. Spencer. 1981. Sigmodon hispidus. Am. Soc. Mamm., Mammalian Species No. 158. 9 pp.

Lynch, J. M. 1981. Status of the cerulean warbler in the Roanoke River Basin of North Carolina. Chat 45(2):29-35.

Hay, M. A., and G. R. Lingle. 1981. The birds of Mormon Island Crane Meadows, Nebraska. Report to The Nature Conservancy, June 1981. 206 pp.

Behrstock, R. A. 1981. Prey-induced mortality of a pied-billed grebe. Western Birds 12:183-4.

Toweill, D. E., and J. G. Teer. 1981. Home range and den habits of Texas ringtails (Bassariscus astutus flavus). Pages 1103-1120 IN Chapman, J. A., and Pursley, D. (editors). Worldwide Furbearer Conference Proceedings, Frostburg, Maryland.

Cole, G.A. 1981. Gammarus desperatus, a new species from New Mexico (Crustacea:Amphipoda). Hydrobiologia, 76:27-32.

Johnson, K. 1981. Social organization in a colony of rock squirrels (Spermophilus variegatus). Southwestern Naturalist 26:237-242.

Messick, J. P., and M. G. Hornocker. 1981. Ecology of the badger in southwestern Idaho. Wildlife Monographs 76:1-53.

Minckley, W. L. 1981. Ecological studies of Aravaipa Creek, central Arizona, relative to past, present, and future uses. Final Report. U.S. Bureau of Land Management, Safford, Arizona. Contract Number YA-512-CT6-98. 362 pp.

Dunham, A. E. 1981. Populations in a fluctuating environment: the comparative population ecology of the iguanid lizards Sceloporus merriami and Urosaurus ornatus. University of Michigan Museum of Zoology Miscellaneous Publications (158): 1-62.

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.

Dexter, R. W. 1981a. Nesting success of Chimney Swifts related to age and the number of adults at the nest, and the subsequent fate of the visitors. Journal of Field Ornithology 52:228-232.

O'Farrell, M.J. 1981. Status report: Euderma maculatum. Prepared for Office of End. Spp. US Fish and Wildlife Service, P.O. Box 1306, Albq, NM. 87103. Pp 1-29.

Cannings, R. J., and W. Threlfall. 1981. Horned Lark Eremophila alpestris breeding biology at Cape St. Mary's, Newfoundland, Canada. Wilson Bulletin 93:519-530.

Messick, J. P., M. C. Todd, and M. G. Hornocker. 1981. Comparative ecology of two badger populations. Pages 1290-1304 in Proceedings of the Worldwide Furbearer Conference (J. A. Chapman and D. Pursley, editors). Worldwide Furbearer Conference, Inc., Frost

Lanyon, W.E. 1981. Breeding birds and old field succession on fallow Long Island farmland. Bulletin of the American Museum of Natural History. Volume 168. 60 pp.

Bowman, T. E. 1981. Thermosphaeroma milleri and T. smithi, new sphaeromatid isopod crustaceans from hot springs in Chihuahua, Mexico, with a review of the genus. J. Crust. Biol. 1: pp. 105-122.

Hoffmeister, D.F. 1981. PEROMYSCUS TRUEI. Mammalian Species,161:1-5.

Walker, J. M. 1981. Systematics of Cnemidophorus gularis. I. Reallocation of populations currently allocated to Cnemidophorus gularis and Cnemidophorus scalaris in Coahuila, Mexico. Copeia 1981:826-849.

Collins, S. L. 1981. A comparison of nest-site and perch-site vegetation structure for seven species of warblers. Wilson Bulletin 93:542-547.

Johnson, O. W., P. M. Johnson, and P. L. Bruner. 1981. Wintering behavior and site-faithfulness of golden plover onOahu. 'Elepaio 41:123-130.

Tate, J. 1981. The Blue List for 1981: the first decade. American Birds 35:3-10.

Minsky, D. 1981. The terns of Cape Cod. The Associaiton for the Preservation of Cape Cod, Informational Bull. No. 9. 34 pp.

Freeman, P. W. 1981. A multivariate study of the family Molossidae (Mammalia, Chiroptera): morphology, ecology, evolution. Fieldiana Zool. 7:1-173.

Berger, A. J. 1981. Hawaiian Birdlife. Second Edition. University Press of Hawaii, Honolulu, Hawaii. xv + 260 pp.

Cook, J.A. 1981. The bat fauna of the Animas Mountains in the summer of 1981. Museum of Southwestern Biology, University of New Mexico. Unpublished manuscript. 25 pp.

Unknown (1981) Unpublished map of Carson National Forest with notes. Retrieved from Carson Supervisor's Office, Carson National Forest, USFS.12 p.

Becker, D. M. and I. J. Ball. 1981. Impacts of surface mining on Prairie Falcons: Recommendations for monitoring and mitigation. Unpubl. Rep. Montana Coop. Wildl. Res. Unit, Univ. Montana, Missoula.

Bull, E. L., A. D. Partridge, and W. G. Williams. 1981. Creating snags with explosives. Pacific Northwest Forest and Range Experiment Station, U.S. Forest Service. Research Note PNW-393.

Fagerstone, K. A., H. P. Tietjen and O. Williams. 1981. Seasonal variation in the diet of black-tailed prairie dogs. Journal of Mammalogy 62:820-4.

Ogden, J. C. and B. W. Patty. 1981. The recent status of the Wood Stork in Florida and Georgia. Georgia Department of Natural Resources, Game and Fish Division Technical Bulletin WL 5:97-101.

Connelly, J. W., W. J. Arthur, and O. D. Markham. 1981. Sage grouse leks on recently disturbed sites. Journal of Range Management 34:153-154.

Nesom, G.L. and U.D. Roth. 1981. Erigeron scopulinus (Compositae), an endemic from the SW US. J. AZ-Nev Acad Sci 16:139-42.

Laudenslayer, W. F., Jr. 1981. Habitat utilization by birds of three desert riparian communities. Ph.D. Thesis, Arizona State University, Tempe. 148pp.

Cook, J. 1981. Thick-billed kingbird. New Mex. Ornith. Soc. field notes. Goodman, R.A. and J.P. Hubbard (eds.) vol 20, no. 2, June 1 - Nov. 30, 1981. P. 40

Hutto, R.L. 1981. Seasonal variation in the foraging behavior of some migratory wood warblers. Auk 98:765-777.

Wander, W. 1981. Breeding birds of southern New Jersey cedar swamps. Occasional Paper 138. Records of New Jersey Birds 6(4):51-65.

Jones, R.E. and R.J. Aulerich. 1981. Bibliography of foxes. Michigan State Univ., Agric. Exp. Sta. Jour. Art. No. 9871, 141 pp.

Unknown author. 1981. Noteworthy collections. Madrono 28(?):41-43.

Monson, G., and A. R. Phillips. 1981. Annotated checklist of the birds of Arizona. University of Arizona Press, Tucson, Arizona. 241 pp.

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

Gile, L.H., J.W. Hawley, and R.B. Grossman. 1981. Soils and geomorphology in the basin and range area of southern New Mexico; guidebook to the desert project. New Mexico Bureau of Mines and Mineral Resources.

Crellin, J. 1981. Unpublished Letter to District Ranger, Taos. Subject: Record of Decision and Finding of No Significant Effect for Rio Grande Cutthroat Trout Restoration on Rio Chiquito. USFS

Fiala, F.C. (1981) Final Report: Status of Peregrine Falcons, Agua Dulce Eyrie, Lincoln National Forest, New Mexico, 1980. Forest Supervisor's Office, Lincoln National Forest, USFS. 34 p.

Chesser, R. K. 1981. Genetic and morphologic variation within and among populations of the black-tailed prairie dog. Unpublished dissertation submitted to the graduate faculty of the University of Oklahoma.

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

Hull, C. 1981. Great Lakes piping plover in trouble. Michigan Department of Natural Resources, Lansing, Michigan. 2 pp.

Fischer, D. H. 1981. Wintering ecology of thrashers in southern Texas. Condor 83:340-346.

Reich, L.M. 1981. Microtus pennsylvanicus. Am. Soc. Mamm., Mammalian Species No. 159. 8pp.

Craven, S.R. 1981. The Canada goose (BRANTA CANADENSIS)- an annotated bibliography. U.S. Dept. of Interior, FWS. Special Scientific Report No. 231. 66 pp.