Titus, K., and J. A. Mosher. 1987. Selection of nest tree species by red-shouldered and broad-winged hawks in two temperate forest regions. J. Field Ornithol. 58:274-283.

Bosakowski, T., et al. 1987. Distribution, density, and habitat relationships of the barred owl.... Pp. 135-143 in Nero, R. W., et al., eds. Biology and conserv. of northern forest owls. USDA For. Serv., Gen. Tech Rep. RM-142.

Duncan, D. C. 1987. Nesting of northern pintails in Alberta: laying date, clutch size, and renesting. Can. J. Zool. 65:234-246.

Gyllensten, U., and A. C. Wilson. 1987. Mitochondrial DNA of salmonids: inter- and intraspecific variability detected with restriction enzymes. Pages 301-317 in N. Ryman and F. Utter, editors. Population genetics and fishery management. University of Wash

U.S. Fish and Wildlife Service (USFWS). 1987. Final rule to determine Lepidomeda vittata (Little Colorado spinedace) to be a threatened species with critical habitat. Federal Register 52:35034-35041.

Cadman, M.D., P.F.J. Eagles, and F.M Helleiner, compilers. 1987. Atlas of the Breeding Birds of Ontario. Federation of Ontario Naturalists and the Long Point Bird Observatory. Universtiy of Waterloo Press, Waterloo, Ontario.

Welsh, S.L., N.D. Atwood, L.C. Higgins, and S. Goodrich, eds. 1987. A Utah Flora. Great Basin Naturalist Memoir 9: 1- 894. Brigham Young University, Provo, Utah. 894 pp.

Clark, T. W., and M. R. Stromberg. 1987. Mammals in Wyoming. Univ. Kansas Mus. Nat. Hist. Publ. Education Series No. 10. xii + 314 pp.

Becker, D. M., and C. H. Sieg. 1987. Home range and habitat utilization of breeding male merlins, FALCO COLUMBARIUS, in se. Montana. Canadian Field-Nat. 101:398-403.

Gibbens, R.P. and R.F. Beck. 1987. Increase in number of dominant plants and dominance--classes on a grassland in the northern Chihuahuan Desert. Journal of Range Management. 40(2):136-139.

Lynch, J. R. 1987. Responses of breeding bird communities to forest fragmentation. Pages 123-40 in D. A. Saunders, G. W. Arnold, A. A. Burbidge, and A. J. M. Hopkins (editors). Nature Conservation: The Role of Remnants of Native Vegetation. Surrey Beatty

Quinn, N. W. S., and J. E. Thompson. 1987. Dynamics of an exploited Canada lynx population in Ontario. J. Wildl. Manage. 51:297-305.

Smith, T. M., and H. H. Shugart. 1987. Territory size variation in the Ovenbird: The role of habitat structure. Ecology 68:695-704.

van Zyll de Jong, C. G. 1987. A phylogenetic study of the Lutrinae (Carnivora; Mustelidae) using morphological data. Can. J. Zool. 65:2536-2544.

Poole, J.M., and D.H. Riskind. 1987. Endangered, threatened, or protected native plants of Texas. Texas Parks and Wildlife Dep't., Austin. Looseleaf binder, no pagination.

Cochran, M. and A. Laurenzi. 1987. Establishment Record for Canelo Research Natural Area, Coronado National Forest. US Forest Service, 89 p.

Schwartz, A., and W. Henderson. 1987. West Indian amphibians and reptiles: a check list. Milwaukee Public Museum, Milwaukee.

Larsen, J.C. 1987. Short-eared owl breeding survey. California Department of Fish and Game, Nongame Wildlife Investigation. Unpublished report. Project No. W-065-R-4, Job No. II-13.

Bookhout, T.A., and J.R. Stenzel. 1987. Habitat and movements of breeding Yellow Rails. Wilson Bulletin 99(3):441-447.

Erickson, G. 1987. Status of burrowing owls in Alberta. Pages 265-267 in G.L. Holroyd et al., editors. Proceedings of the workshop on endangered species in the prairie provinces, January 24-26, 1986, Edmonton, Alberta. Provincial Museum of Alberta Natural

Novak, M., et al., editors. 1987. Wild furbearer management and conservation in North America. Ontario Ministry of Natural Resources. 1150 pp.

Parkin, D. T. 1987. Evolutionary genetics of house sparrows. Pages 381-406 in G. Cooke and P.A. Buckley, editors. Avian genetics: a population and ecological approach. Academic Press, New York.

Turner, F. B., P. A. Medica, and R. B. Bury. 1987c. Age-size relationships of desert tortoises (GOPHERUS AGASSIZI) in southern Nevada. Copeia 1987:974-979.

Cooper, S. V., K. E. Neiman, R. Steele, and D. W. Roberts. 1987. Forest habitat types of northern Idaho: A second approximation. USDA Forest Service, Intermountain Research Station. General Technical Report INT-236. Ogden, UT. 135 pp.

Berg, W. J. 1987. Evolutionary genetics of rainbow trout, PARASALMO GAIRDNERII (Richardson). Ph.D. Diss., Univ. California, Davis.

Bekoff, M., A. C. Scott, and D. A. Conner. 1987. Nonrandomnest-site selection in evening grosbeaks. Condor 89:819-829.

Dobson, F. S., and J. O. Murie. 1987. Interpretation of intraspecific life history patterns: evidence from Columbian ground squirrels. The American Naturalist. 129(3): 398-406.

Johnson, D. H., and T. L. Shaffer. 1987. Are mallards declining in North America? Wildl. Soc. Bull. 15:340-345.

Mullican, T. R., and B. L. Keller. 1987. Burrows of the sagebrush vole (Lemmiscus curtatus) in southeastern Idaho. Great Basin Nat. 47:276-279.

Renken, R. B., and J. J. Dinsmore. 1987. Nongame bird communities on managed grasslands in North Dakota. Canadian Field-Naturalist 101:551-557.

Tumlison, R. 1987. Felis lynx. Mammalian Species 269:1-8.

Bosakowski, T. 1987. Census of barred owls and spotted owls. Pages 307-308 in Nero, R. W., et al., eds. Biology and conservation of northern forest owls. USDA For. Serv., Gen. Tech. Rep. RM-142.

Echelle A.A., et. al. 1987. Population structure of four pupfish species (Cyprinodontidae: Cyprinodon) from Chihuahuan desert region of New Mexico and Texas: allozymic variation. Copeia 1987(3): 668-681.

Harris, J. H., S. D. Sanders, and M. A. Flett. 1987. Willow flycatcher surveys in the Sierra Nevada. Western Birds 18:27-36

U.S. Fish and Wildlife Service (USFWS). 18 September 1987. Proposed endangered status for Independence Valley speckled dace and Clover Valley speckled dace. Federal Register 52:35282-35286.

Crossman, E. J., and J. M. Casselman. 1987. An annotated bibliography of the pike, Esox lucius (Osteichthyes: Salmoniformes). Royal Ontario Mus. 408 pp.

Clark, W. S., and B. K. Wheeler. 1987. A Field Guide to Hawks of North America. Houghton Mifflin Co., Boston, Massachusetts.

Beier, P., and R. H. Barrett. 1987. Beaver habitat use and impact in Truckee River basin, California. Journal of Wildlife Management 51:794-799.

Gutzwiller, K. J., and S. H. Anderson. 1987. Multiscale associations between cavity-nesting birds and features of Wyoming streamside woodlands. Condor 89:534-548.

Magoun, A. J. 1987. Summer and winter diets of wolverines, Gulo gulo, in arctic Alaska. Canadian Field-Nat. 101:392-397.

Reese, K. P., J. A. Kadlec, and L. M. Smith. 1987. Characteristics of islands selected by nesting Canada geese, BRANTA CANADENSIS. Canadian Field-Nat. 101:539-542.

Smith, D. G., et al. 1987. Censusing screech owls in southern Connecticut. Pp. 255-267 in Nero, R. W., et al., eds. Biology and conservation of northern forest owls. USDA For. Serv., Gen. Tech. Rep. RM-142.

Wondzell, S.M., G.L. Cunningham, D. Bachelet, E.F. Aldon, C.E.G. Vicente, and W.H. Moir. 1987. Strategies for classification and management of native vegetation for food production in arid zones, October 12-16, 1987. USDA Forest Service General Technical

Rabenold, P. P. 1987. 1987 survey of black terns (CHLIDONIAS NIGER) breeding in Indiana. Unpubl. report, Indiana Department of Natural Resources, Division of Fish and Widlife, Indianapolis. 13 pp.

Coconino National Forest. 1987. Establishment Record for Rocky Gulch Research Natural Area. US Forest Service, 57 p.

Cochran, M. and A. Laurenzi. 1987. Establishment Record for Haufer Wash Research Natural Area, Tonto National Forest. US Forest Service, 77 p.

Sigler, W. F., and J. W. Sigler. 1987. Fishes of the Great Basin: a natural history. University of Nevada Press, Reno, Nevada. xvi + 425 pp.

Howie, R.R., and R. Ritcey. 1987. Distribution, habitat selection and densities of flammulated owls in British Columbia. Pages 249-254 in R.W. Nero, R.J. Clark, R.J. Knapton, and R.H. Hamre, editors. Biology and conservation of northern forest owls. USDA

Luukkonen, D. R. 1987. Loggerhead shrike status and breeding ecology in Virginia. Master's thesis, Virginia Polytechnic Institute and Sate University, Blacksburg.

Cade, T. J. 1987. The falcons of the world. Cornell Univ. Press. Ithaca, NY.

Bowers, J.E. and S.P. McLaughlin. 1987. Flora and vegetation of the Rincon Mountains, Pima County, Arizona. Desert Plants 8(2): 51-94.

Ernest, K. A., and M. A. Mares. 1987. Spermophilus tereticaudus. Mammalian Species 274:1-9.

Poole, J.M., and D.H. Riskind. 1987. Endangered, threatened, or protected native plants of Texas. Texas Parks Wildlife Dept., Austin, TX.

Petersen, K.L., and L.B. Best. 1987b. Territory dynamics in a sage sparrow population: are shifts in site use adaptive? Behavioral Ecology and Sociobiology 21:351-358.

U.S. Fish and Wildlife Service (USFWS). 1 October 1987. Determination of endangered status for the Hualapai vole. Federal Register 52:36776-36780.

U.S. Fish and Wildlife Service (USFWS). 1987. Recovery Plan for the Puerto Rican Parrot, Amazona vittata. U.S. Fish and Wild- life Service, Atlanta, Georgia, April 8, 1987. 69 p.

Bestgen, K.R. and S.P. Platania. 1987. The status of the bluntnose and phantom shiners in the Rio Grande drainage of New Mexico. Unpub report for NM Dept of Game and Fish, Santa Fe, NM. 91 p + maps. Contract #516.6-73-23.

Blake, J. G. and J. R. Karr. 1987. Breeding birds of isolated woodlots: area and habitat relationships. Ecology 68:1724-1734.

Echelle, A. A., A. F. Echelle, and D. R. Edds. 1987. Population structure of four pupfish species (Cyprinodontidae: Cyprinodon) from the Chihuahuan Desert region of New Mexico and Texas: allozymic variation. Copeia 1987:668-681.

Johnson, R. A., S. W. Carothers, and T. J. McGill. 1987. Demography of feral burros in the Mohave Desert. J. Wildl. Manage. 51:916-920.