Johnson, S. R., and D. M. Troy. 1987. Nesting of the Ross'goose and blue-phase snow goose in the Sagavanirktok river delta, Alaska. Condor 89:665-667.

Mills, A. 1987. Golden-winged warbler. Page 358 in M. D. Cadman, P. F. J. Eagles, and F. M. Helleiner (editors). Atlas of the breeding birds of Ontario. Federation of Ontario Naturalists, University of Waterloo Press, Waterloo, Ontario.

U.S. Fish and Wildlife Service (USFWS). 3 August 1987. Determination of threatened status and critical habitat for the Inyo brown towhee. Federal Register 52:28780-28786.

Lincoln National Forest. 1987. Establishment Record for Haynes Canyon Research Natural Area. US Forest Service, 63 p.

Geluso, K. N., J. S. Altenbach, and R. C. Kerbo. 1987. Bats of Carlsbad Caverns National Park. Natural History Association, Carlsbad, New Mexico. 31 pp.

Akroyd, B, 1987. Memorandum, Department of Game and Fish, Subject: Surveys of West Latir Creek, Rio Del Medio and Rito Primero. Conjillon Ranger District, Carson National Forest, USFS.

Tate, G. R., and S. M. Melvin. 1987. Population dynamics, habitat use, and management needs of the short-eared owl in Massachusetts: summary of 1986 research. Massachusetts Division of Fish and Wildlife, Natural Heritage and Endangered Species Program. Un

McIntosh, L. 1987. Location of monitoring plots, Coryphantha sneedii, Anthony Gap population, Bishops Cap population, Webb Gap population. Copies made from USGS 7.5 quad maps. BLM, Las Cruces District office.

Addison, E. M., I. K. Barker, and D. B. Hunter. 1987. Diseases and parasites of furbearers. Pages 893-909 in M. Novak et al., editors. Wild furbearer management and conservation in North America. Ontario Ministry of Natural Resources.

Collopy, M. W., and K. L. Bildstein. 1987. Foraging behavior of northern harriers wintering in southeastern salt and freshwater marshes. Auk 104:11-16.

Hannon, S. J., et al. 1987. Poor acorn crop, dominance, and decline in numbers of acorn woodpeckers. J. Anim. Ecol. 56:197-207.

Messick, J. P. 1987. North American badger. Page 586-597 in Novak, M., J. A. Baker, M. E. Obbard, and B. Malloch (editors). Wild furbearer management and conservation in North America. Ontario Ministry of Natural Resources. Toronto, Ontario. 1150 pp.

Schmutz, J.K. 1987. The effect of agriculture on Ferruginous and Swainson's hawks. Journal of Range Management 40:438-440.

Kimsey, Bryan. 1987. The 1987 Socorro Resource Area Raptor Survey. BLM Socorro Resource Area.

Howe, M., and T. Phillips. 1987. Sensitive threatened and endangered species plant data form. Unpublished plant form on Coryphantha duncanii for BLM Las Cruces district. White Sand Resource Area dated 17 July 1987. 1p.

Hubbard, J. P. 1987. The vegetative communities and vertebrate fauna of the Gray Ranch, Hidalgo County, New Mexico. Endangered species program, New Mexico Department of Game and Fish, Santa Fe, NM.

Brooks, R. P., and W. J. Davis. 1987. Habitat selection by breeding belted kingfishers (Ceryle alcyon). Am. Midl. Nat.117:63-70.

Goad, M. S., and R. W. Mannan. 1987. Nest site selection by elf owls in Saguaro National Monument, Arizona. Condor 89:659-662.

Maret, J. J., M. Parker, and T. E. Fanny. 1987. The effect of beaver ponds on the non-point source water quality of a stream in southwestern Wyoming. Water Resources 21(3):263-268.

O'Neal, G. T., J. T. Flinders, and R. P. Clary. 1987. Behavioral ecology of the Nevada kit fox (Vulpes macrotis nevadensis) on a managed desert rangeland. Pages 443-481 in H. H. Genoways, editor, Current Mammalogy 1:1-519. Plenum Press, New York.

Smallwood, J. A. 1987. Sexual segregation by habitat in American kestrels wintering in southcentral Florida: vegeta-tive structure and responses to differential prey availability. Condor 89:842-849.

Vilella, F. J., and P. J. Zwank. 1987. Density and distribution of the Puerto Rican nightjar in the Guayanilla Hills. Caribbean J. Sci. 23:238-242.

Albright, C. A., and L. B. Keith. 1987. Population dynamics of moose, ALCES ALCES, on the south-coast barrens of Newfoundland. Canadian Field-Nat. 101:373-387.

Congdon, J. D., et al. 1987. Reproduction and nesting ecology of snapping turtles (Chelydra serpentina) in southeastern Michigan. Herpetologica 43:39-54.

Furlonger, C. L., H. J. Dewar, and M. B. Fenton. 1987. Habitat use by foraging insectivorous bats. Canadian J. Zool. 65:284-288.

Lock, A. R. 1987. Recent increases in the breeding population of black-legged kittiwakes, Rissa tridactyla, in Nova Scotia. Canadian Field-Naturalist 101:331-334.

Reynolds, R.T. 1987. Census of flammulated owls. Pages 308-309 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.

Williams, J. B. 1987a. Field metabolism and food consumption of savannah sparrows during the breeding season. Auk 104:277-289.

Kluge, A. G. 1987. Cladistic relationships in the Gekkonoidea (Squamata, Sauria). Univ. Michigan Museum Zoology Miscellaneous Publication No. 173.

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

Coleman, J. S., and J. D. Fraser. 1987. Food habits of black and turkey vultures in Pennsylvania and Maryland. J. Wildl. Manage. 51:733-739.

Johnson, D.W. and D.M. Armstrong. 1987. Mammalian species. Peromyscus crinitus. Am. Soc. Mamm., Mammalian Species 287: 1-8.

Minckley, W. L., and G. K. Meffe. 1987. Differential selection by flooding in stream-fish communities of the arid American southwest. Pp. 93-104 in W.J. Matthews and D.C. Heins (eds.). Community and evolutionary ecology of North American stream fishes. Un

Reid, D. G., et al. 1987. A possible method for estimating river otter, Lutra canadensis, populations using snow tracks. Canadian Field-Nat. 101:576-580.

Anderson, E. M. 1987. A critical review and annotated bibliography of literature on the bobcat. Colorado Div. Wildl. Spec. Rep. 62. 68 pp.

Green, N. B., and T. K. Pauley. 1987. Amphibians and reptiles in West Virginia. University of Pittsburgh Press, Pittsburgh, Pennsylvania. xi + 241 pp.

Altenbach, M. 1987. Field notebook.

United States Forest Service. 1987. Astragalus altus monitoring plot with specimen locations. United States Forest Service (USFS) Regional Office, Albuquerque, NM. p.3.

Allard, M. W., S. J. Gunn, and I. F. Greenbaum. 1987. Mensural discrimination of chromosomally characterized Peromyscus oreas and P. maniculatus. J. Mamm. 68:402-406.

Deacon, J. E., P. B. Schumann, and E. L. Stuenkel. 1987. Thermal tolerance and preferences of fishes of the Virgin River System (Utah, Arizona, Nevada). Great Basin Naturalist 47(4):538-546.

Hayward, G. D., et al. 1987b. Movements and home range use by boreal owls in central Idaho. Pages 175-184 in Nero, R. W., et al., eds. Biology and conservation of northern forest owls. USDA For. Serv., Gen. Tech. Rep. RM-142.

Morrison, M. L., and K. A. With. 1987. Interseasonal and intersexual resource partitioning in hairy and white-headed woodpeckers. Auk 104:225-233.

Scrivner, J. H., T. P. O'Farrell, and T. T. Kato. 1987. Dispersal of San Joaquin kit foxes, Vulpes macrotis mutica, on Naval Petroleum Reserve #1, Kern County, California. United States Department of Energy Topical Report, EGG 10282-2190.

Howard and Phillips. 1987. Sensitive and endangered species plant data form. Unpub. plant form on Epithelantha micromeris for BLM Las Cruces Dist. White Sands Resource Area dated July 17, 1987. 1p.

Burger, J. 1987. Physical and social determinants of nest-site selection in piping plover in New Jersey. Condor 89: 811-818.

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.

Arroyo-Cabrales, J., et al. 1987. Choeronycteris mexicana. Mammalian Species 291:1-5.

Courtenay, W. R., Jr., et al. 1987. Records of exotic fishes from Idaho and Wyoming. Great Basin Nat. 47:523-526.

Gardner, D. 1987. White Sands pupfish seldom visited. New Mexico Wildlife Magazine. Nov-Dec 1987.

Lowcock, L. A., L. E. Licht, and J. P. Bogart. 1987. Nomenclature in hybrid complexes of Ambystoma (Urodela: Ambystomatidae): no case for the erection of hybrid "species." Syst. Zool. 36:328-336.

Schmutz, J.K. and R.W. Fyfe. 1987. Migration and mortality of Alberta Ferruginous Hawks. The Condor 89: 169-174.

Laymon, S. A., and M. D. Halterman. 1987a. Distribution and status of the yellow-billed cuckoo in California. Final report to the California Department of Fish and Game, Sacramento, CA. 35pp.

LeFranc, M. N., Jr., et al., eds. 1987. Grizzly bear compendium. Interagency Grizzly Bear Committee. iii + 540 pp.

Koenig, W. D., and R. L. Mumme. 1987. Population ecology of the cooperatively breeding acorn woodpecker. Princeton Univ. Press, Princeton, NJ. 496 pp.

Dunn, J. L., and K. L. Garrett. 1987. The identification of North American gnatcatchers. Birding 19(1):17-29.

Johnson, C. A., and R. J. Naiman. 1987. Boundary dynamics at the aquatic-terrestrial interface: the influence of beaver and geomorphology. Landscape Ecology 1(1):47-57.