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

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

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.

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.

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.

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.

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.

Berry, K. H. 1975. Desert Tortoise relocation project: status report for 1973. Desert Tortoise Relocation Project. Division of Highways, CA. Contract F-9353.

Erskine, A.J. 1975b. Black cottonwood floodplain forest. American Birds 29:1132-1133.

Runnels, S.R. 1975. Rose-throated Becard in Jeff Davis County, Texas. Condor 77(2):221.

Clark, R.J. 1975. A field study of the short-eared owl (Asio flammeus) Pontoppidan in North America. Wildlife Monographs 47:1-67.

Meslow, E.C., and H.M. Wight. 1975. Avifauna and succession in Douglas-fir forests of the Pacific Northwest. Pages 266-271 in D.R. Smith, coordinator. Proceedings of the symposium on management of forest and range habitats for nongame birds. USDA Forest S

Crockett, A. B. and H. H. Hadow. 1975. Nest site selection by Williamson and red-naped sapsuckers. Condor 77(3):365-368

Murray, H.D. 1975. Melanoides tuberculata (Muller), Las Moras Creek, Brackville, Texas. Bulletin of the American Malacological Union, 1975: 43.

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.

Elliot, R. (1975) Performance Report as Required by Federal Aid in Fish Restoration Act. Statewide Fisheries Investigations, Federal Aid Project F-22-R-16 Brown Trout:Rio Grande Cutthroat Relationship, Job No. I-2. Retrieved from Regional Office, USFS. 4

Freidmann, H., and Smith, F.D. 1975. A further contribution to the ornithology of northeastern Venezuela. Proceedings of the United States National Museum 104:463-524.

Schaffer, W.M. and P.F. Elson. 1975. The adaptive significance of variations in life history among local populations of Atlantic salmon in North America. Ecology 56(3): 577-590.

Franklin, W. L., A. S. Mossman, and M. Dole. 1975. Social organization and home range of Roosevelt elk. Journal of Mammalogy 56:102-118.

Radke, W. J. 1975. Opportunistic feeding of the Gila Woodpecker. Wilson Bulletin 87:275-276.

Egoscue, H. J. 1975. Population dynamics of the kit fox in western Utah. Bulletin of the Southern California Academy of Science 74:122-127.

Parker, W.S. and E.R. Pianka. 1975. Comparative ecology of populations of the lizard Uta stansburiana. Copeia 1975 (4):615-632.

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

Akers, J. W. 1975. The least tern in Virginia: breeding biology and population distribution. M.S. thesis, William and Mary College, Williamsburg. 77 pp.

McIntyre, J. W. 1975. Biology and behavior of the common loon (GAVIA IMMER) with reference to its adaptability in a man-altered environment. University of Minnestoa, Minneapolis, Minnesota. Ph.D. dissertation.

Mount, R. H. 1975. The reptiles and amphibians of Alabama. Auburn University Agricultural Experiment Station, Auburn, Alabama. vii + 347 pp.

Nymeyer, Lynn A. 1975. Unpublished report on sighting of Aplomado Falcon. May 21, 1975.

MacNamara, M. C. and W. N. Harman. 1975. Further studies of the Mollusca of the Otsego Lake area. The Nautilus 89(3):87-90.

Welsh, D.A. 1975. Savannah Sparrow breeding and territoriality on a Nova Scotia dune beach. Auk 92:235-251.

Gilmer, D. S., I. J. Ball, L. M. Cowardin, J. H. Riechmann, and J. R. Tester. 1975. Habitat use and home range of mallards breeding in Minnesota. Journal of Wildlife Management 39:781-789.

Shake, W.F., and J.P. Mattsson. 1975. Three years of cowbird control: an effort to save the Kirtland's Warbler. Jack-Pine Warbler 53:48-53.

Fisk, E. J. 1975. Least tern: beleaguered, opportunistic, and root nesting. American Birds 29(1):15-16.

Paul, R. T., A. J. Meyerriecks, and F. M. Dunstan. 1975. Return of reddish egrets as breeding birds in Tampa Bay, Florida. Florida Field Naturalist 3:9-10.

Luer, C.A. 1975. The native orchids of the United States and Canada. New York Botanical Gardens.

Gillis, J. E. 1975. Characterization of a hybridizing complex of leopard frogs. Ph.D. dissertation, Colorado State University, Fort Collins.

Castetter, E. F., P. Pierce, and K. H. Schwerin. 1975. A reassessment of the Genus Escobaria. Cactus and Succulent Journal. Vol XLVII. 60-70 pp.

Rogers, B.D. 1975. Fish distribution in the Mimbres River, New Mexico. Unpubl. report for NM Dept Game and Fish. 68 pp.

Nethersole-Thompson, D. 1975. Pine Crossbills: a Scottish contribution. T. and A. D. Poyser, Berkhamsted, U.K.

Crockett, A. B. 1975. Ecology and behavior of the Williamson's Sapsucker in Colorado. Ph.D. dissertation, University of Colorado, Boulder.