O'Farrell, T. P., R. J. Olson, R. O. Gilbert, and J. D. Hedlund. 1975. A population of Great Basin pocket mice, Perognathus parvus, in the shrub-steppe of south-central Washington. Ecological Monographs 45:1-28.

Rittschoff, D. 1975. Some aspects of the natural history and ecology of the leopard frog, Rana pipiens. Ph.D. Thesis, Univ. Mich. 212 pp.

Gustafson, J. R. 1975. A sage sparrow egg in a Black-throated sparrow nest. Auk 92:805-806.

Fjeldsa, J. 1975. Grebes. Villadsen and Christensen, Hvidovre, Denmark. 64 pp.

Beaver, D.L. and P.H. Baldwin. 1975. Ecological overlap and the problem of competition and sympatry in the western and Hammond's flycatchers. Condor 77:1-13.

Svihla, A. 1975. (1) Another locality of the larvae of TANYPTERYX HAGENI Selys in Washington. and (2) Adverse factors affecting the distribution of TANYPTERYX HAGENI Selys. Tombo 18(1-4):43-45.

Douglass, J. F. 1975. Bibliography of the North American land tortoises (genus GOPHERUS). USFWS Spec. Sci. Rep. - Wildl. 190:1-60.

Owen, R. B. and J. W. Morgan. 1975. Summer behavior of radio-equipped woodcock in central Maine. Journal of Wildlife Management 39:179-182.

Schipper, W. J. A., L. S. Buurma, and P. H. Bossenbroek. 1975. Comparative study of hunting behavior of wintering hen harriers Circus cyaneus and marsh harriers Circus aeruginosus. Ardea 63:1-29.

Gutierrez, R. J., C. E. Braun, and T. P. Zapatka. 1975. Reproductive biology of the band-tailed pigeon in Colorado and New Mexico. Auk 92:665-677.

Kelleyhouse, D. G. 1975. Habitat utilization and ecology of the black bear in northern California. M.S. Thesis, Humboldt State University, Arcata. 60pp.

Beecham, J. J., and M. N. Kochert. 1975. Breeding biology of the golden eagle in southwestern Idaho. Wilson Bulletin 87:506-513.

Tanner, W. W., and J. E. Krogh. 1975. Ecology of the zebra-tailed lizard Callisaurus draconoides at the Nevada Test Site. Herpetologica 31:302-316.

Findley, J. S., A. H. Harris, D. E. Wilson, and C. Jones. 1975. Mammals of New Mexico. University of New Mexico Press, Albuquerque. 360 pp.

Cooper, J. A. 1975. Behavioral aspects of the life history of the Illinois mud turtle ( Kinosternon flavescens spooneri). Drake University, Des Moines, IA. M.S. Thesis.

Balfour, E., and C. J. Cadbury. 1975. A population study of the hen harrier, Circus cyaneus in Orkney. Pages 122-8 in R. Goodier (editor). The Natural Environment of Orkney. The Nature Conservancy Council, Edinburgh, Scotland.

Peden, A. E. 1975. Differences in copulatory behavior as partial isolating mechanisms in the poeciliid fish Gambusia. Canadian Journal of Zoology 53:1290-6.

Schroeder, M.H., and D.L. Sturges. 1975. The effect on the Brewer's sparrow of spraying big sagebrush. Journal of Range Management 28:294-297.

Hodkinson, I. D. 1975. Energy flow and organic matter decomposition in an abandoned beaver pond system. Oecologia 21:131-139.

Pearson, A. M. 1975. The northern interior grizzly bear Ursus arctos L. Canadian Wildlife Service Report Series, no. 34, 86 pp.

Blem, L.B., and C.R. Blem. 1975. The effect of flooding onlength of residency in the white-footed mouse, Peromyscus leucopus. Am. Midl. Nat. 94(1):232-236.

Trapp, G. R., and D. L. Hallberg. 1975. Ecology of the gray fox (Urocyon cinereoargenteus): a review. Pages 164-178 in M. W. Fox (editor). The wild canids. Van Nostrand, Reinhold Co., New York. 508pp.

Thomas, J. R., Jr. 1975. Distribution, population densities, and home range requirements of the Stephens' kangaroo rat (Dipodomys stephensi). M.S. Thesis, California State Polytechnic University, Ponoma. 64pp.

Findley, J. S., A. H. Harris, D. E. Wilson, and C. Jones. 1975. Mammals of New Mexico. Univ. of New Mexico Press, Albuquerque. 360 pp.

Gould, F.W. 1975. The grasses of Texas. Texas A & M Univ. Press, College Station, TX. 653 pp.

Raim, A.J. 1975. Territory and mating system in the Bobolink, DOLICHONYX ORYZIVORUS. M.A. thesis. Western Michigan University. 90 pp.

Banks, E. M., R. J. Brooks, and J. Schnell. 1975. A radiotracking study of home range and activity of the brown lemming (Lemmus trimucronatus). Journal of Mammalogy 56:888-901.

Pianka, E. R., and W. S. Parker. 1975. Ecology of horned lizards: a review with special reference to Phrynosoma platyrhinos. Copeia 1975(1):141-162.

van Zyll de Jong, C.G. 1975. The distribution and abundance of the wolverine (Gulo gulo) in Canada. Canadian Field-Nat.,89(4):431-437.

Major, P. D. 1975. Density of snapping turtles, Chelydra serpentina in western West Virginia. Herpetologica 31:332-335.

Chapman, J. A. 1975. Sylvilagus nuttallii. Mammalian Species, 56:1-3.

Wallestad, R. 1975. Male sage grouse responses to sagebrush treatment. Journal of Wildlife Management 39:482-484.

Fitch, H. S. 1975. A demographic study of the ringneck snake (Diadophis punctatus) in Kansas. Univ. Kansas Mus. Nat. Hist. Misc. Pub. 62:1-53.

Woffinden, N.D. 1975. Ecology of the Ferruginous Hawk (BUTEO REGALIS) in central Utah: population dynamics and nest site selection. M.S. thesis. Brigham Young University, Provo, UT. 102 pp.

Conner, R. N., R. G. Hooper, H. S. Crawford, and H. S. Mosby. 1975. Woodpecker nesting habitat in cut and uncut woodlands in Virginia. Journal of Wildlife Management 39:144-150.

Pizzimenti, J., and G. D. Collier. 1975. Cynomys parvidens. Mammalian Species 52:1-3.

Wiley, J. W. 1975. The nesting and reproductive success of red-tailed hawks and red-shouldered hawks in Orange County, California, 1973. Condor 77:133-139.

March, G. L., and M. F. S. Sadlier. 1975. Studies on the band-tailed pigeon (COLUMBA FASCIATA) in British Columbia. II. Food resources and mineral-graveling activity. Syesis 5:279-284.

Christenson, L.M. 1975. The shovelnose sturgeon, Scaphirhynchus platorynchus (Rafinesque), in the Red Cedar-Chippewa river system, Wisconsin. Wisconsin Department of Natural Resources Research Report 82. 23 pp.

Wiens, J.A., and M.I. Dyer. 1975. Rangeland avifaunas: their composition, energetics, and role in the ecosystem. Pages 146-182 in D.R. Smith, editor. Symposium on the management of forest and range habitats for nongame birds. USDA Forest Service, General

McEwen, L. C. and J. O. Ells. 1975. Field ecology investigations of the effects of selected pesticides on wildlife populations. Grassland Biome, U.S. International Biol. Prog. Tech. Rep. No. 289

Grzimek, B. 1975. Grzimek's animal life encyclopedia. Van Nostrand Reinhold Co., New York, NY.

Baker, R.J. (1975) Annual Report on the Survey of Mammals of Guadalupe Mtns. National Park. Retrieved from Guadalupe Ranger District, Lincoln National Forest, USFS. 5 p.

Dolbeer, R. A., and W. R. Clark. 1975. Population ecology of snowshoe hares in the central Rocky Mountains. Journal of Wildlife Management 39:535-549.

Rideout, C.B., and R.S. Hoffmann. 1975. Oreamnos americanus. Mammalian Species 63:1-6.

Zach, R. and J. B. Falls 1975. Response of the Ovenbird (Aves: Parulidae) to an outbreak of the spruce budworm. Canadian Journal of Zoology 53:1669-1672.

Martin, R. G. Sexual and aggressive behavior, density and social structure in a natural population of mosquitofish, Gambusia affinis holbrooki. Copeia 1975:445-54.

Conway, M. 1975. New Mexico's endangered fishes. New Mexico Wildlife May - June. pp 18-23.

Lamb, S.H. 1975. Woody plants of the Southwest, a field guide with descriptive text, drawings, range maps and photographs. The Sunstone Press, Santa Fe.

Bednarz, J. 1975. A study of the Pecos Gambusia. Unpubl. report for Endangered Species Program, NM Dept Game and Fish, Santa Fe, 26 Nov 1975.

Dwight, J. 1975. Sequence of plumages and moults of the passerine birds of New York. Annal. New York Acad. Sci. XIII(2):73-360.

Rummel, L., and C. Goetzinger. 1975. The communication of intraspecific aggression in the common loon. Auk 92:333-46.

Brown, H.A. 1975. Reproduction and development of the red-legged frog, Rana aurora, in northwestern Washington. North-west Science 49(4):241-252.

Zimmerman, J.R. and A.H. Smith. 1975. A survey of the Deronectes (Coleoptera; Dytiscidae) of Canada, the United States, and Northern Mexico. Trans. Amer. Ent. Soc.. 101:715-717.

Mason, I. L. 1975. Beefalo: much ado about nothing? World Rev. of Animal Production 11(4):19-23.

Crawford, J. A., and E. G. Bolen. 1975. Spring lek activity of the lesser prairie chicken in west Texas. Auk 92:808-810.

Luer, C.A. 1975. The native orchids of the United States and Canada excluding Florida. New York Botanical Garden. 361 pp.

Stewart, R. E. 1975. Breeding Birds of North Dakota. Tri-College Center for Environmental Studies, Fargo ND.

Stelfox, J. G. 1975. Range ecology of Rocky Mountain bighorn sheep in Canadian National Parks. Ph.D. thesis, University of Montana, Missoula.

Martin, S.C. 1975. Ecology and management of southwestern semi-desert grass-shrub ranges: the status of our knowledge. Research Paper RM-156. Rocky Mountain Forest and Range Experiment Station, Fort Collins, CO.