Block, W.M., and L.A. Brennan. 1987. Characteristics of Lewis' Woodpecker habitat on the Modoc Plateau, California. Western Birds 18:209-212.

Fenton, M.B., D.C. Tennant and J. Wyszecki. 1987. Using echolocation calls to measure the distribution of bats: the case of Euderma maculatum. J. Mamm. 68(1):142-144.

Korth, J. W., and J. M. Fitzsimons. 1987. Karyology of three species of eastern North American atherinid fishes. Copeia 1987:505-509.

Oaks, E. C., P. J. Young, G. L. Kirkland, Jr., and D. F. Schmidt. 1987. Spermophilus variegatus. Mammalian Species272:1-8.

Roth, R. R. 1987. Assessment of habitat quality for Wood Thrush in a residential area. Pages 139-49 in L. W. Adams and D. L. Leedy (editors). Integrating man and nature in the metropolitan environment. Proceedings of the National Symposium on Urban Wildli

Unitt, P. 1987. Empidonax traillii extimus: an endangered subspecies. Western Birds 18:137-162.

Bull, E.L. 1987. Capture techniques for owls. Pages 291-293 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.

Eshenroder, R. L. 1987. Socioeconomic aspects of lake trout rehabilitation in the Great Lakes. Transactions of the American Fisheries Society 116:309-313.

Johnson, D. H. 1987. Barred owls and nest boxes--results of a five-year study in Minnesota. Pages 129-134 in Nero, R. W., et al., eds. Biology and conservation of northern forest owls. USDA For. Serv., Gen. Tech. Rep. RM-142.

Pratt, H. D. 1987. Occurrence of the North American coot (FULICA AMERICANA AMERICANA) in the Hawaiian Islands, with comments on the taxonomy of the Hawaiian coot. `Elepaio 47(3):25-28.

Facey, D. E., and M. J. Van Den Avyle. 1987. Species profiles: life histories and environmental requirements of coastal fishes and invertebrates (North Atlantic): American eel. U.S. Fish and Wildlife Service. Biological Report 82(11.74). 28 pp.

Dixon, J. R. 1987. Amphibians and reptiles of Texas. Texas A & M Univ. Press, College Station. xii + 434 pp.

Bestgen, K. R., D. L. Propst, and C. W. Painter. 1987. Transport Ecology of larval fishes in the Gila River, New Mexico. Proceedings of the Desert Fishes Council 16-18:174.

Hill, J., and G. D. Grossman. 1987. Home range estimates for three North American stream fishes. Copeia 1987:376-380.

Marsh, P. C. 1987. Digestive tract contents of adult razorback suckers in Lake Mohave, Arizona-Nevada. Transactions of the American Fisheries Society 116:117-119.

Yeager, B. L., and K. J. Semmens. 1987. Early development of the blue sucker, CYCLEPTUS ELONGATUS. Copeia 1987:312- 316.

King, Wade. 1987. Map of Post Area, White Sands Missile Range. Directorate, Engineering, Housing and Logistics. September 1987.

Scott, N.J. Ramotnik, C.A. Altenbach, M.J. Smith, B.E. (1987) Distribution and Ecological Requirements of Endemic Salamanaders in Relation to Forestry Management, Summary of 1987 Activities, Part 1: Lincoln National Forest. Lincoln Supervisor's Office, Li

Dunmire, W. and M. Toll. 1987. Establishment Report for Little Costilla Peak Research Natural Area, Carson National Forest. US Forest Service, 67 p.

Dunmire, W. and M. Toll. 1987. Establishment Record for Largo Mesa Research Natural Area, Gila National Forest. US Forest Service, 75 p.

Weber, W.A. 1987. Colorado flora: Western slope. Colorado Associated University Press. Boulder. 530 pp.

Sakai, H. F. 1987. Response of Hammond's and western flycatchers to different-aged Douglas-fir stands in northwestern California. Master's thesis, Humboldt State University, Arcata, CA.

Hassler, T.J. 1987. Species profiles: life histories and environmental requirements of coastal fishes and invertebrates (Pacific Southwest)--coho salmon. U.S. Fish and Wildlife Service Biological Report 82(11.70).

Bull, E. L. 1987. Ecology of the pileated woodpecker in northeastern Oregon. Journal of Wildlife Management 51:472-81.

Frech, M.H., and J.L. Confer. 1987. The Golden-winged Warbler: competition with the Blue-winged Warbler and habitat selection in portions of southern, central, and northern New York. Kingbird 37(2):65-72.

Suchy, W. J., and S. H. Anderson. 1987. Habitat suitability index models: northern pintail. U.S. Fish Wildl. Serv. Biol. Rep. 82(10.145). 23 pp.

Laymon, S. A. 1987. Brown-headed Cowbirds in California: historical perspectives and management opportunities in riparian habitats. Western Birds 18:63-70.

Richardson, L., et al. 1987. Winter ecology of black-footed ferrets (Mustela nigripes) at Meeteetse, Wyoming. American Midland Naturalist 117:225-239.

Wakelyn, L. A. 1987. Changing habitat conditions on bighorn sheep ranges in Colorado. Journal of Wildlife Management 51:904-912.

Chapman-Moser, B. 1987. Factors influencing reproductive success and nesting strategies in black terns. Ph.D. thesis, Simon Fraser Univ., British Columbia.

Cully, A., and P.J. Knight. 1987. Status report on Sibara grisea. Report prepared for U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

Boag, D. A., and M. A. Schroeder. 1987. Population fluctuations in spruce grouse: what determines their numbers in spring? Can. J. Zool. 65:2430-2435.

Forbes, M. R. L., and C. D. Ankney. 1987. Hatching asynchrony and food allocation within broods of pied-billed grebes, PODILYMBUS PODICEPS. Canadian Journal of Zoology 65:2872-7.

Leary, R.F., F.W. Allendorf, S.R. Phelps and K.L. Knudsen. 1987. Genetic divergence and identification of seven cutthroat trout subspecies and rainbow trout. Transactions of the American Fisheries Society 116:580-587.

Obbard, M. E., et al. 1987. Furbearer harvests in North America. Pages 1007-1034 in M. Novak et al., eds. Wild furbearer management and conservation in North America. Ontario Ministry of Natural Resources and The Ontario Trappers Association. 1150 pp.

Ryder, R. A., et al. 1987. Distribution and status of the boreal owl in Colorado. Pages 169-174 in Nero, R. W., et al., eds. Biology and conservation of northern forest owls. USDA For. Serv., Gen. Tech. Rep. RM-142.

U.S. Fish and Wildlife Service (USFWS). 6 July 1987. Federal Register.

Friend, M. 1987. Field Guide to Wildlife Diseases. Vol. 1: General Field Procedures and Diseases of Migratory Birds. Fish and Wildlife Service Resource Publication 167. 225 pp.

Cheskey, T. 1987. Olive-sided flycatcher. Pages 250-251 in M. D. Cadman, P. F. J. Eagles, and F. M. Helleiner, editors. Atlas of the breeding birds of Ontario. Fed. Ontario Nat., University of Waterloo Press, Waterloo, Ontario.

Eshelman, B.D. and G.N. Cameron. 1987. Baiomys taylori. Am. Soc. Mamm., Mammalian Species No. 285:1-7.

Kersten, M., T. Piersima. 1987. High levels of energy expenditure in shorebirds: metabolic adaptations to an energetically expensive way of life. Ardea 75:175-187.

Raphael, M.G. 1987. Estimating relative abundance of forest birds: simple versus adjusted counts. Wilson Bulletin 99:125-131.

Findley, J. S. 1987. The natural history of New Mexican mammals. University of New Mexico Press, Albuquerque. 164 pp.

Giesen, K. M. 1987. Population characteristics and habitat use by Columbian Sharp-tailed Grouse in northwest Colorado. Final Report, Colorado Division of Wildlife Fed. Aid Project W-1 52-R.

Furness, R. W. 1987. The skuas. T & A D Poyser Ltd., Calton, England. 336 pp.

Briggs, K. T., W. B. Tyler, D. B. Lewis, and D. R. Carlson. 1987. Bird communities at sea off California: 1975 to 1983. Studies in Avian Biology 11:1-74.

Hill, J. E., and D. L. Harrison. 1987. The baculum in the Vespertilioninae (Chiroptera: Vespertilionidae) with a systematic review, a synopsis of Pipistrellus and Eptesicus, and the descriptions of a new genus and subgenus. Bulletin of the British Museum

Martin, J. W. 1987. Behavior and habitat use of breeding northern harriers in southwestern Idaho. Raptor Res. 21:57-66.

Thompson, I. D., and P. W. Colgan. 1987. Numerical responses of martens to a food shortage in northcentral Ontario. J. Wildl. Manage. 51:824-835.

Swift, B. L. 1987. An analysis of avian breeding habitats in Hudson river tidal marshes. New York State Department of Environmental Conservation, Division of Fish and Wildlife, Delmar, New York. Unpublished report. 62 pp.

Dunmire, W. and M. Toll. 1987. Establishment Record for Mesita de los Ladrones Research Natural Area, Santa Fe National Forest. US Forest Service, 60 p.

Dunmire, W. and M. Toll. 1987. Establishment Record for Little Water Canyon Research Natural Area, Cibola National Forest. US Forest Service, 98 p.

Wemmer, C. M., editor. 1987. Biology and management of theCervidae: proceedings of a symposium. Smithsonian Inst. Press, Washington, D. C. 1000 pp.

Schweitzer, D. F. 1987. Catocala pretiosa, the precious underwing moth: results of a global status survey with a recommendation for retention in Category 2. Report from TNC to USFWS, Newton Corner, MA.

Lee, L. A., and J. W. Terrell. 1987. Habitat suitability index models: flathead catfish. U.S. Fish and Wildlife Service Biological Report 82(10.152). 39 pp.

Burton, G. 1987. Recovering the threatened apache trout and endangered Gila trout in Arizona and New Mexico. Western Proceedings, 67th Annual Conf of the Western Assoc Fish and Wildlife Agencies, Salt Lake City, Utah. P 361.

Gehlbach, F. R., and R. S. Baldridge. 1987. Live blind snakes (Leptotyphlops dulcis) in eastern screech owl (Otus asio) nests: a novel commensalism. Oecologia 71:560-563.

United Fish and Wildlife Service. 1987. Endangered and threatened species of Arizona and New Mexico. United States Fish and Wildlife Service, Dept. of the Interior.

Lee, H. K., and R. J. Baker. 1987. Cladistical analysis of chromosome evolution in pocket gophers of the Cratogeomys castanops complex (Rodentia: Geomyidae). Occas. Pap. Mus. Texas Tech Univ. 114:1-15.

Roze, V. 1987. Denning and winter range of the porcupine. Can. J. Zool. 65:981-986.