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Grant, K.A., and V. Grant. 1968. Hummingbirds and their flowers. Columbia University Press, New York.

Brown, L. and D. Amadon. 1968. Eagles, hawks, and falcons of the world, Vol. 2. Country Life Books. London. 945 pp.

Walkinshaw, L.H. 1968. Eastern Field Sparrow. Pages 1217-1235 in O.L. Austin, editor. Life histories of North American cardinals, grosbeaks, buntings, towhees, finches, sparrows, and allies. Dover Publications, Inc., New York, NY.

Smith, C. C. 1968. The adaptive nature of social organization in the genus of tree squirrels, Tamiasciurus. Ecological Monographs 38:31-63.

Whitworth, W. R., P. R. Berrien, and W. T. Keller. 1968. Freshwater fishes of Connecticut. State Geological and Natural History Survey Bulletin No.101. 134 pp.

Speirs, J.M., and R. Orenstein. 1967. Bird populations in fields of Ontario County, 1965. Canadian Field-Naturalist 81:175-183.

Manuwal, D. A. 1967. Observations on a localized duck sickness in the Delta Marsh: summer 1964. Wilson Bull. 79:219-222.

Barr, T. C., Jr., and J. R. Reddell. 1967. The arthropod cave fauna of the Carlsbad Caverns region, New Mexico. Southwestern Naturalist 12:253-274.

Storer, R. W. 1967. The patterns of downy grebes. Condor 69:469-78.

Miller, R. R., and C. H. Lowe. 1967. Part 2: The fishes of Arizona. Pages 133-151 in Lowe, C. H. (editor). The Vertebrates of Arizona. University of Arizona Press, Tuscon, Arizona.

Cross, F. B. 1967. Handbook of fishes of Kansas. University of Kansas Museum of Natural History Miscellaneous Publication No. 45. 357 pp.

Bradley, W. G. 1967. Home range, activity patterns, and ecology of the antelope ground squirrel in southern Nevada. Southwestern Naturalist 12:231-252.

Cable, D.R. 1967. Fire effects on semidesert grasses and shrubs. Journal of Range Management. 20:170-176.

Owre, O. T. 1967. Predation by the Chick-will's-Widow upon migrating warblers. Wilson Bulletin 79:342.

Lawrence, L. deK. 1967. A comparative life-history study of four species of woodpeckers. Ornithological Monographs No. 5. 156 pages.

Cade, T. J. 1967. Ecological and behavioral aspects of predation by the northern shrike. Living Bird 6:43-86.

Calder, W. A. 1967. The diurnal activity of the Roadrunner, GEOCOCCYX CALIFORNIANUS. Condor 70:84-85.

Potter, L.D. and J.S. Krenetsky. 1967. Plant succession with released grazing on New Mexico range lands. Journal of Range Management. 20:145-151.

Snyder, W. A. 1967. Lesser Prairie Chicken. Pages 121-128 in New Mexico Wildlife Management. New Mexico Department of Game and Fish, Santa Fe.

Moisan, G., R. I. Smith, and R. K. Martinson. 1967. The green-winged teal: its distribution, migration, and population dynamics. U.S. Fish and Wildl. Serv., Spec. Sci. Rep., Wildlife No. 100. 248 pp.

Dixon, J. R. 1967. Aspects of the biology of the lizards of the White Sands, New Mexico. Los Angeles County Museum of Natural History Contributions in Science (129):1-22.

Crosswhite, F. S. 1967. Revision of Penstemon Section Habroanthus (Scrophulariaceae 1: Conspectus. The American Midland Naturalist. Herbarium, Department of Botany, University of Wisconsin, Madison 53706. 3 p.

Sealy, S. G. 1967. Notes on the breeding biology of the marsh hawk in Alberta and Saskatchewan. Blue Jay 25:63-9.

Parmelee, D. F., H. A. Stephens, and R. H. Schmidt. 1967. The birds of southeastern Victoria Island and adjacent small islands. National Museum of Canada, Ottawa. Bulletin No. 222. 229pp.

Findley, J. S. and C. Jones. 1967. Taxonomic relationships of bats of the species Myotis fortidens, M. lucifugus and M. occultus. Journal of Mammalogy 48:429-444.

Garner, H.W. 1967. An ecological study of the brush mouse, Peromyscus boylii, in western Texas. Texas J. Sci. 19:285- 291.

Tinkle, D.W. 1967. The life and demography of the side- blotched lizard, Uta stansburiana. Misc. Publ. Mus. Zool. Univ. Michigan 132:1-182.

Sheldon, W. G. 1967. The book of the American woodcock. Univ. Massachusetts Press, Amherst. xvii + 227 pp.

Graul, W. D. 1967. Population movements of the Harris' sparrow and tree sparrow in eastern Kansas. Southwestern Naturalist 12:303-310.

McCoy, C.J. 1967. Natural history notes on Crotaphytus wisli zeni (Reptilia: Iguanidae). Amer. Midl. Nat. 77(1):138-146.

Balda, R. P. 1967. Ecological relationships of the breeding birds of the Chiricahua Mountains, Arizona. Ph.D. Thesis, University of Illinois, Urbana, Illinois.

Martin, S.G. 1967. Breeding biology of the bobolink. M.S. thesis. University of Wisconsin, Madison, WI.

Hohn, E.O. 1967. Observations on the breeding biology of Wilson's Phalaropes in central Alberta. Auk 84:220-244.

Monroe, B.L., Jr. 1967. Dickcissel populations in southwestern Michigan. Jack-Pine Warbler 45:124-127.

Bond, J. 1967. Native birds of Mount Desert Island and Acadia National Park. Acad. Nat. Sci., Philadelphia, Pennsylvania.

Kalenosky, C. B. and D. H. Johnston. 1967. Radio-tracking timber wolves in Ontario. American Zoology 7:289-303.

Morse, D. H. 1967. Foraging relationships of brown-headed nuthatches and pine warblers. Ecology 48:94-103.

Edsall, T.A. 1967. Biology of the freshwater drum in western Lake Erie. Ohio Journal of Science 67(6):321-340.

Iverson, S. L. 1967. Adaptations to arid environments in Perognathus parvus (Peale). Ph.D. Thesis, Univ. British Columbia, Vancouver. 130pp.

King, D. R. and G. S. Hunt. 1967. Effect of carp on vegetation in a Lake Erie Marsh. Journal of Wildlife Management. 31:181-8.

Tinkle, D. W., and D. W. Woodward. 1967. Relative movements of lizards in natural populations as determined from recapture radii. Ecology 48:166-168.

Ficken, M. S., and R. W. Ficken. 1967. Age-specific differences in the breeding behavior and ecology of the American Redstart. The Wilson Bulletin 79:188-99.

Kortright, F.H. 1967. The ducks, geese, and swans of North America. The Stackpole Company, Harrisburg, PA, and Wildlife Management Institute, Washington, D.C. 476 pp.

Metcalf, A.L. 1967. Late quarternary mollusks of the Rio Grande valley, Caballo Dam New Mexico to El Paso, Texas.

Fuchs, E.H. 1967. Life history of the emerald shiner, Notropis atherinoides, in Lewis and Clark Lake, South Dakota. Transactions of the American Fisheries Society 96(3): 247-256.

Parmalee, P.W. 1967. The freshwater mussels of Illinois. Illinois State Museum, Popular Science Series 8:1-108.

Edsten, T. 1967. Transect data for Bernalillo Research Natural Area. US Forest Service, Region 3. Albuquerque, NM, 7p.

Morse, D. H. 1967. Competitive relationships between Parula Warblers and other species during the breeding season. Auk 84:490-502.

Gehlbach, F. R. 1967. Lampropeltis mexicana. Cat. Am. Amph.Rep. 55.1-55.2.

Burger, G. V. and J. P. Linduska. 1967. Habitat management related to bobwhite populations at Remington Farms. Journal of Wildlife Management 31:1-12.

Verts, B.J. 1967. The biology of the striped skunk. Univ. Illinois Press, Urbana. vii+218 pp.

U.S. Fish and Wildlife Service (USFWS). 1967. Native fish and wildlife: endangered species. Federal Register 32(48):4001.

Regan, D. P.. . Aspects of the life history and distribution of the Jemez Mountains salamander. University of New Mexico.Master's Thesis. .

Gehlbach, F.R. 1967. Vegetation of the Guadalupe escarpment, New Mexico-Texas. Ecology. 48(3):404-419.

Ficken, M. S., and R. W. Ficken. 1967. Singing behaviour of blue-winged and golden-winged warblers and their hybrids. Behaviour 28:149-181.

Baker, J.A. 1967. The peregine. 191 pp.

Taylor, W. K. 1967. Breeding biology and ecology of the Verdin, AURIPARUS FLAVICEPS (Sundevall). Ph.D. dissertation, Arizona State University, Tempe.

van Tighem, K. 1967. Destruction of the Prairie Falcon at Calgary, Alberta. Blue Jay 25:108.

Heckenlively, D. B. 1967. Role of song in territoriality of black-throated sparrows. Condor 69:429-430.