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.

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

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

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 McCrystal Meadow Research Natural Area, Carson National Forest. US Forest Service, 50 p.

Stalmaster, M. V. 1987. The bald eagle. Universe. 227 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

Peterson, J.F. (1987) Unpublished Letter to District Rangers, Cloudcroft and Mayhill RDs, Subject: Spotted Owl Survey. Lincoln Supervisor's Office, Lincoln National Forest, USFS. 2 p.

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.

Welsh, D. A. 1987. Cape May Warbler. Pp. 376-377 in Atlas of the breeding birds of Ontario. (M. D. Cadman, P. F. J. Eagles, and F. M. Helleiner, eds.). Univ. of Waterloo Press, Waterloo, ON.

Johnston, B. C. 1987. Plant associations of Region Two: Potential plant communities of Wyoming, South Dakota, Nebraska, Colorado, and Kansas. R2-ECOL-87-2. USDA Forest Service, Rocky Mountain Region. Lakewood, CO. 429 pp.

Buescher, C.L. 1987. Disposition form to IS-G (Attn: Ms. Smith), subject: abandoned building transfer. 10 June 1987. 1 page.

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.

U.S. Fish and Wildlife Service. 1987. Final rule to determine Cirsium vinaceum (Sacramento Mountains thistle) to be a threatened species. Federal Register 52(115): 22933-22936.

Cincotta, R.P., D.W. Vresk and R.M. Hansen. 1987. Demography of black-tailed prairie dog populations reoccupying sites treated with rodenticide. Great Basin Naturalist 47(2):339-343.

Fletcher, R. 1987. Willows (Salix) of Arizona and New Mexico. Range Notes No. 4. USDA-Forest Service Range Management Staff, Southwestern Region, Albuquerque, New Mexico. 38 p.

Knight, R. A., and D. Duerve. 1987. Notes on distribution,habitat, and sexual dimorphism of Gerrhonotus kingii (Lacertilia: Anguidae). Southwest. Nat. 32:283-285.

Reebs, S. G. 1987. Roost characteristics and roosting behavior of black-billed magpies, PICA PICA, in Edmonton, Alberta. Canadian Field-Nat. 101:519-525.

U.S. Fish and Wildlife Service (USFWS). 6 October 1987. Proposed reclassification of the Gila trout (Salmo gilae) [sic] from endangered to threatened. Federal Register 52:37424-37427.

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

Groschupf, K. 1987. Status of the Yellow-billed Cuckoo (COCCYZUS AMERICANUS OCCIDENTALIS) in Arizona and west Texas. USFWS Rep. 20181-86-00731. Phoenix, AZ.

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

Briggs, J. L., Sr. 1987. Breeding biology of the Cascade frog, Rana cascadae, with comparisons to R. aurora and R. pretiosa. Copeia 1987:241-245.

Hoagland, K.E., and G.M. Davis. 1987. The succineid snail fauna of Chittenango Falls, New York: taxonomic status with comparisons to other revelant taxa. Proceedings of The Academy of Natural Sciences of Philadephia 139:465-526.

Matthews, W. J. 1987. Geographic variation in Cyprinella lutrensis (Pisces: Cyprinidae) in the United States, with notes on Cyprinella lepida. Copeia 1987:616-637.

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

BLM. 1987. Pasture map of Fort Stanton, composite from 7.5' topos of area with locations of Kuenzler hedgehog cactus from 1987 BLM survey.

Santa Fe National Forest. 1987. Environmental Impact Statement, Santa Fe National Forest, Santa Fe Watershed Research Natural Area. US Forest Service, 3 p.

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 Upper McKittrick Research Natural Area, Lincoln National Forest. US Forest Service, 127 p.

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

Jennings, R.D. 1987. The status of Rana berlandieri, the Rio Grande leopard frog, and Rana yavapaiensis, the lowland leopard frog, in New Mexico. Report to Share With Wildlife, New Mexico Department of Game and Fish, Santa Fe. 52p.

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.

Merritt, J. F. 1987. Guide to the mammals of Pennsylvania. University of Pittsburgh, Pittsburgh, PA.

Carlson, D. C. and E. M. White. 1987. Effects of prairie dogs on mound soils. Soil Sci. Soc. Am. J. 51:389-3.

Gwynn, J. V. 1987. Wildlife disease investigation. Pages 98-106 in Virginia Wildlife Investigations. Virginia Department of Game and Inland Fish., Richmond, Virginia.

Manuwal, D.A., M.H. Huff, M.R. Bauer, C.B. Chappell, and K. Hegstad. 1987. Summer birds of the upper subalpine zone of Mount Adams, Mount Rainier, and Mount St. Helens, Washington. Northwest Science 61:82-92.

Ryan, M.R., and R.B. Renken. 1987. Habitat use by breeding Willets in the northern Great Plains. Wilson Bull. 99(2):175-189.

White, D. H., and J. T. Seginak. 1987. Cave gate designs for use in protecting endangered bats. Wildlife Society Bull. 15:445-449.

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.