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.

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.

Simpson, C. D., ed. 1980. Proceedings of the symposium on ecology and management of Barbary sheep. Texas Tech University Press, Lubbock.

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

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.

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.

Downing, R. L. 1980. Survey of interior least tern nesting populations. Am. Birds 34:209-211.

Hays, M. B. 1980. Breeding biology of the least tern, Sterna albifrons, on the Gulf Coast of Mississippi. M.S. thesis, Mississippi State Univ. 69 pp.

Price, A. H. 1980. Crotalus molossus. Cat. Am. Amph. Rep.242.1-242.2.

Schmutz, J.K., and S.M. Schmutz. 1980. Status of the Ferruginous Hawk. Committee on Status of Endangered Wildlife in Canada.

Best, L.B., and D.F. Stauffer. 1980. Factors affecting nesting success in riparian bird communities. Condor 82:149-158.

Churchill, J. E. 1980. Beaver are killing our trout streams. Trout 21(4):22-25.

Hill, H. O. 1980. Breeding birds in a desert scrub community in southern Nevada, USA. Southwestern Naturalist 25:173-180.

Rotenberry, J.T., and J.A. Wiens. 1980b. Temporal variation in habitat structure and shrubsteppe bird dynamics. Oecologia 47:1-9.

U.S. Fish and Wildlife Service (USFWS). 1980. Selected vertebrate endangered species of the seacoast of the United States--the whooping crane. FWS/OBS-80/01.3, Slidell.

Ziesemer, F. 1980. Breeding density and breeding success of barn owls in a study area before and after the erection of nest boxes. Die vogelwelt 101:61-6. Abstract.

Dolbeer, R. A. 1980. Blackbirds and corn in Ohio. U.S. Fish and Wildl. Serv., Resource Publ. 136. 18 pp.

Verner, J. and A. Boss, technical coordinators. 1980. California wildlife and their habitats: western Sierra Nevada. USDA Forest Service General Technical Report, GTR PSW-37.

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

Terres, J. K. 1980. The Audubon Society encyclopedia of North American birds. Alfred A. Knopf, New York.

U.S. Fish and Wildlife Service (USFWS). 1980. Selected vertebrate endangered species of the seacoast of the United States-- California least tern. FWS/OBS-80/01.20. 8 pp.

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.

Eddleman, W. R., K. E. Evans, and W. H. Elder. 1980. Habitat characteristics and management of Swainson's warbler in southern Illinois. Wildlife Society Bulletin 8:228-33.

Irving, R.S. 1980. Environmental assessment determination that Hedeoma todsenii irving is threatened. Unpub report for Office of Endangered Species, Fish and Wildlife Service, Albuquerque, NM. 8 pp.

Roberts, T. H. 1980. Sexual development during winter in male American Woodcock. Auk 97:879-881.

Thurow, T.L., C.M. White, R.P. Howard, and J.F. Sullivan. 1980. Raptor ecology of Raft River valley, Idaho. EG&G Idaho, Inc., Idaho Falls. 45 pp.

Cairns, W. E., and I. A. McLaren. 1980. Status of the piping plover (Charadrius melodus) on the East Coast of North America. American Birds 34:206-8.

Ahlstedt, S.A. and S.R. Brown. 1980. The naiad fauna of the Powell River in Virginia and Tennessee (Bivalvia: Unionidae). Bulletin of the American Malacological Union, 1979: 40-43.

Daniel, T. F. 1980. The Genus Justicia (Acanthaceae) in the Chihuahuan Desert. Contr. Univ. Mich. Herb.. 14:61-67.

Isely, D. 1980. New combinations and one new variety in Trifolium (Leguminosae) brittonia 32:55-57, 1980.

Roth, R.R. 1980. Vegetation as a determinant in avian ecology. Proceedings of the Welder Wildlife Foundation Symposium 1:162-174.

Fitzpatrick, J. W. 1980. Wintering of North American tyrant flycatchers in the neotropics. Pages 67-78 IN Migrant birds in the neotropics (A. Keast and E. S. Morton, eds.). Smithsonian Institution Press, Washington, D.C.

U.S. Fish and Wildlife Service (USFWS). 1980. California least tern recovery plan. 58 pp.

Janovy, J. 1980. Yellowlegs. 192 pp.

LeGrand, H.E., Jr., and P.B. Hamel. 1980. Bird habitat associations on southeastern forest lands. Dep. Zool., Clemson Univ., Clemson, S.C. 276 pp.

Bednarz, J.C. 1980. A ground survey and evaluation of potential Peregrine falcon habitat on and adjacent to BLM lands in New Mexico. Unpub report for NM Dept Game and Fish contract #519-68-05 and BLM. 28 pp.

Southwestern Naturalist, 1980. Vol 26, No 4, p 431.

Hall, S.A. 1980. Snail from a quarternary valley fill at Chaco Canyon, New Mexico.

Rich, T.D. 1980. Territorial behavior of the sage sparrow: spatial and random aspects. Wilson Bulletin 92:425-438.

Erwin, R. M. 1980. Breeding habitat used by colonially nesting waterbirds in two mid-Atlantic US regions under different regimes of human disturbance. Biol. Conserv. 18: 39-51.

Mossman, M. 1980. The second year of Wisconsin's black tern survey, 1980. Unpubl. report, Dept. of Wildlife Ecology, Univ. Wisconsin, Madison. 14 pp.

Russell, S.M. 1980. Distribution and abundance of North American migrants in lowlands of northern Columbia. Pp. 249-252 IN A. Keast and E. S. Morton (editors), Migrant birds of the neotropics: ecology, distribution, and conservation. Smithsonian Instituti

Wells, M. J., K. Duggan, and L. Henderson. 1980. Woody plant invaders of the central Transvaal. Pp. 11-23 in Proc. 3rd National Weeds Conf. South Africa.

Causey, M. K., and C. A. Cude. 1980. Feral dog and white-tailed deer interactions in Alabama. J. Wildl. Manage. 44:481-484.

Anderson, L. C. 1980. Morphology and biogeography of Chrysothamnus nauseosus ssp. texensis (asteraceae): a new Guadalupe Mountains endemic. Southwest. Nat.. 25(2):197-205.

DeForge, J. R. 1980. Population biology of desert bighorn sheep in the San Gabriel Mountains of California. Desert Bighorn Council Transactions 24:29-32.

Marks, J. S., J. H. Doremus and A. R. Bammann. 1980. Black-throated sparrows breeding in Idaho. Murrelet 61:112-113.

Southwick, E. E. and A. K. Southwick. 1980. Energetics of feeding on tree sap by Ruby-throated Hummingbirds in Michigan. American Midland Naturalist 104:328-334.

Fuller, T. K. and L. B. Keith. 1980. Wolf population dynamics and prey relationships in Northeastern Alberta. Journal of Wildlife management. 44(3):583-601.

Hohman, J. P., et. al. 1980. An annotated bibliography of the desert tortoise (GOPHERUS AGASSIZII). Spec. Publ. I. Desert Tortoise Council, Long Beach, CA

Johnsgard, P.A. 1980. A preliminary list of the birds of Nebraska and adjacent plains states. University of Nebraska Press, Lincoln, NE. 156 pp.

Petersen, L. R. 1980. Status of barn owls in Wisconsin. 1979. Res. Res. 107. Wisconsin Department of Natural Resources, Madison, Wisconsin. 17 pp.

Bednarz, J.C. (1980) Carson National Forest, Peregrine Falcon Eyrie Locations. Retrieved from Regional Office. 7 p.

Bennett, S. E. 1980. Interspecific competition and the niche of the American redstart (Setophaga ruticilla) in wintering and breeding communities. Pages 319-335 in A. Keast and E.S. Morton, editors.Migrant birds in the neotropics: ecology, distribution, a

Hector, D. P. 1980. Our rare falcon of the desert grassland. Birding 12(3):92-102.

Rothstein, S. I., J. Verner, and E. Stevens. 1980. Range expansion and diurnal changes in dispersion of the brown-headed cowbird in the Sierra Nevada. Auk 97:253-267.