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 Unpublished report. 62 pp.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.

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

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.

Dunmire, W. 1987. Establishment Record for Haynes Canyon Research Natural Area, within Lincoln National Forest, Otero county, New Mexico.

Dulin, G. S. 1987. Pre-fledging feeding behavior and sibling rivalry in common loons. Central Michigan University, Mt. Pleasant, Michigan. M.S. thesis.

Boutin, S. and D. E. Birkenholz. 1987. Muskrat and Round-tailed Muskrat. Pages 314-324 In M. Novak, J. A. Baker, M. E. Obbard and B. Malloch (editors). Wild furbearer management and conservation in North America. Ontario Ministry of Natural Resources, Tor

Frederick, P. 1987. Chronic tidally-induced nest failure in a colony of white ibises. Condor 89:413-419.

Leonard, M. L., and J. Picman. 1987. Nesting success and habitat selection by marsh wrens. Auk 104:491-495.

O'Connell, M. W. 1987. Occurrence of the boreal owl in northeastern Washington. Pages 185-188 in Nero, R. W., et al., eds. Biology and conservation of northern forest owls. USDA For. Serv., Gen. Tech. Rep. RM-142.

Seal, U. S., and T. J. Kreeger. 1987. Chemical immobilization of furbearers. Pages 191-215 in M. Novak et al., editors. Wild furbearer management and conservation in North America. Ontario Ministry of Natural Resources.

U.S. Fish and Wildlife Service (USFWS). 23 December 1987. Finding on northern spotted owl petition. Federal Register 52:48552-48554.

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.

Geissler, P. H., et al. 1987. Mourning dove nesting: seasonal patterns and effects of September hunting. U.S. Fish and Wildlife Service Resource Publication 168. 33 pp.

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.

Vogt, T.F. 1987. A preliminary report on threatened or endangered aquatic insects associated with lotic habitats in Illinois. Natural Lands Institute, Rockford, IL. 12pp.

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

Dunmire, W. and M. Toll. 1987. Establishment Report for McCrystal Meadow Research Natural Area, Carson National Forest. US Forest Service, 50 p.

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

Scott Jr., N., C. Ramotnik, M. Altenbach, and B. Smith. 1987. Distribution and ecological requirements of endemic salamanders in relation to forestry management, summary of 1987 activities, Part 2: Santa Fe National Forest. U.S. Fish and Wildlife Service:

Lincoln National Forest. 1987. Map and note from Jeff to John Peterson with Northern Goshawk location and information.

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.

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

Firstencel, H. 1987. The black tern (CHLIDONIAS NIGER Linn.): breeding ecology in upstate New York and results of pesticide residue analysis. M.S. thesis, State Univ. of New York, Rockport. 63 pp.

Finch, D.M., S.H. Anderson, and W.A. Hubert. 1987. Habitat suitability index models: Lark Bunting. U.S. Fish and Wildlife Service, Biological Report 82. 16 pp.

Brennan, L. A., W. M. Block, and R. J. Gutierrez. 1987. Habitat use by mountain quail in northern California. Condor 89:66-74.

Galbraith, D. A., M. W. Chandler, and R. J. Brooks. 1987. The fine structure of home ranges of male Chelydra serpentina: are snapping turtles territorial. Can. J. Zool. 65:2623-2629.

Lim, B. K. 1987. Lepus townsendii. Am. Soc. Mamm., Mammalian Species 288:1-6.

Ogden, J. C., D. A. McCrimmon, Jr., G. T. Bancroft, and B. W. Patty. 1987. Breeding populations of the wood stork in the southeastern United States. Condor 89:752-759.

Servos, M. C. 1987. Summer habitat use by great gray owls in southeastern Manitoba. Pp. 108-114 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). 2 November 1987. Determination of endangered and threatened status for two populations of roseate tern. Federal Register 52:42064-42068.

Hemstrom, M. A., S. E. Logan, and W. Pavlat. 1987. Plant association and management guide, Willamette National Forest. USDA Forest Service Report R6-Ecol 257-B-86. Pacific Northwest Region, Portland, OR. 312 pp.