Greenberg, R. 1987. Seasonal foraging specialization in the worm-eating warbler. Condor 89:158-168.

Marti, C.D., and J.S. Marks. 1987. Medium-sized owls. Western Raptor Management Symposium and workshop, Tech. Ser. 12:124-33.

Perryman, P., and A. Muchlinski. 1987. Population dynamicsof feral burros at the Naval Weapons Center, China Lake, California. J. Mamm. 68:435-438.

Smith, D.G. 1987b. Owl census techniques. Pages 304-307 in R.W. Nero, R.J. Clark, R.J. Knapton, and R.H. Hamre, editors. Biology and conservation of northern forest owls. USDA Forest Service, Gen. Tech. Rep. RM-142.

Webster, W. D. 1987. SOREX PALUSTRIS PUNCTUALTUS Hooper. Appalacian water shrew. Pages 36-8 in M. K. Clark (ed.). Endangered, threatened, and rare fauna of North Carolina, Part I. A re-evaluation of the mammals. Occas. Papers. North Carolina Biol. Surv.

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.

Sanders, O. 1987. Evolutionary hybridization and speciation in North American indigenous bufonids. Strecker Museum, Baylor Univ., Waco, Texas. 110 pp.

Isler, M. L., and P. R. Isler. 1987. The tanagers. Natural history, distribution, and identification. Smithsonian Inst. Press, Washington, D.C. 404 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.

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

Akroyd, B. 1987. Memorandum, Department of Game and Fish. Subject: Sawmill Creek Survey, Questa Ranger Distict, Carson National Forest.

Craig, J. 1987. The biology of perch and related species. Timber Press, Portland, Oregon. 333 pp.

Janssen, R. B. 1987. Birds in Minnesota. Univ. Minnesota Press, Minneapolis. 352 pp.

Clayton, P. 1987. Field notes; list of plants seen during search for sensitive plants on grazing allotment in Grant County, Pinos Altos. . 5 p.

Clayton, P. 1987. Data form for Escobaria villardii. Las Cruces- Mimbres Resource Area, Las Cruces District, BLM. October 16, 1987. Also, note of collection (3-11-88) attached w/corrections.

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.

Hubbard, J.P. 1987. The status of the Willow flycatcher in New Mexico. Endangered Species Program, NM Dept. of Game and Fish. 29pp.

Hubbard, J.P. 1987. The vegetative communities and vertebrate fauna of the Gray Ranch Hidalgo County, New Mexico. Unpubl. manuscript for Endangered Species Program of New Mexico Dept. of Game and Fish, Santa Fe, NM. 82 pp.

Muldavin, E. and R. DeVelice. 1987. A forest habitat type classification of Southern Arizona and its relationship to forests of the Sierra Madre Occidental of Mexico. In: E. Aldon, C. Gonzales Vicente, and W. Moir tech. coord. Strategies for classificatio

Cannings, R. J. 1987. The breeding biology of Northern Saw-whet Owls in southern British Columbia. Pages 193-198 IN Nero, R.W., R. J. Clark, R. J. Knapton, and H. Hamre, editors. Biology and conservation of northern forest owls. USDA For. Serv. Gen. Tech.

Grier, J.W., and R.W. Fyfe. 1987. Preventing research and management disturbance. Pages 173-82 in B.A.G. Pendleton, B.A. Millsap, K.W. Cline, and D.M. Bird, editors. Raptor management techniques manual. National Wildlife Federation, Washington, DC.

McComb, W. C., W. H. Davis, and P. N. Allaire. 1987. Excluding starlings from a slot-entrance bluebird nest box. Wildl. Soc. Bull. 15:204-207.

Peterson, R. P. 1987. A new bluebird nesting structure for highway rights-of-way. Wildl. Soc. Bull. 15:200-204.

Snyder, J. E., and J. A. Bissonette. 1987. Marten use of clear-cuttings and residual forest stands in western Newfoundland. Can. J. Zool. 65:169-174.

Weir, R. D. 1987. Red-shouldered hawk. Pages 120-121 in Federation of Ontario Naturalists and the Long Point Bird Observatory, M. D. Cadman, P. F. J. Eagles, and F.M. Helleiner, compilers. Atlas of breeding birds of Ontario. Univ. Waterloo Press, Waterloo

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.

Lyons, P. J. 1987. Summary of common loon (GAVIA IMMER) nesting in Massachusetts, with emphasis on MDC reservoirs--1987. Metropolitan District Commission, Belchertown, Massachusetts. Unpublished report.

Colvin, B. A., and P. L. Hegdal. 1987. Summary of 1987 field activities. U.S. Fish and Wildlife Service, Wildlife Reservation Center, Denver, Colorado. Unpublished report. 9 pp.

Smith, G. A. 1987d. A selected and annotated bibliography for use in management of the Caspian tern (Sterna caspia). New York Dept. Environ. Conserv., Delmar, New York. 29 pp.

Johnson, T. R. 1987. The amphibians and reptiles of Missouri. Missouri Department of Conservation, Jefferson City. 368 pp.

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

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

Akroyd, B. (1987) Memorandum, Department of Game and Fish. Subject: Columbine Creek and Irs Tributaries. Carson Supervisor's Office, Carson National Forest, USFS. 2 p.

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

U.S. Fish and Wildlife Service (USFWS). 1987. Migratory nongame birds of management concern in the United States: the 1987 list. U.S. Fish and Wildlife Service, Office of Migratory Bird Management, Washington, D.C. 63 pp.

Johnsgard, P. A. 1987. Diving birds of North America. Univ. Nebraska Press, Lincoln. xii + 292 pp.

Colwell, M.A. 1987. Breeding biology, intrasexual competition, and philopatry in Wilson's Phalarope. Ph.D. dissertation. University of North Dakota, Grand Forks, ND. 123 pp.

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.